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PubMed2005

Influence of population structure on the consumption of systemic antibiotics.

The high level of consumption of systemic antibiotics in our country prompted a study of factors affecting the geographical variations in this consumption. Several parameters explain the uneven distribution of consumption: (a) the epidemiology of the infections, (b) population-dependent factors and (c) factors dependent on the prescribing doctor. The aim of this study was to study population-dependent parameters (type of population and age). A retrospective longitudinal study was made from antibiotic consumption data provided by International Marketing Services (IMS) between 1 January 1996 and 31 December 2000. The consumption indicator used was the number of defined daily doses per 1000 inhabitants per day (DID). Global consumption in regions under study varied by 5.7 DID: Medina del Campo (25.9 DID), Valladolid city (23.4 DID), Laguna de Duero (22.6 DID), Northern Region (22.4 DID), Southern Region (21.4 DID) and lastly Central Region (20.2 DID). The specific consumption per area showed a greater consumption of amoxicillin in the three urban areas, amoxicillin-clavulanic acid and the main macrolides in Medina del Campo, quinolones antibiotics in the Northern Region and tetracyclines and sulphonamides in Valladolid City. Significant area-dependent global consumption differences were observed with the most marked in urban areas. The differences were more marked when studying the geographical distribution of consumption of the commonly used antibiotics.

Adolescent↗
PubMed1999

Life-course events and experiences: association with fruit and vegetable consumption in 3 ethnic groups.

OBJECTIVE: To examine how life-course experiences and events are associated with current fruit and vegetable consumption in 3 ethnic groups. DESIGN: A theoretic model developed from previous qualitative research guided the development of a telephone survey. Data were collected on fruit and vegetable consumption, sociodemographic characteristics, ethnic identity, and life-course events and experiences, including food upbringing, social roles, food skills, dietary changes for health, and practice of food traditions. SUBJECTS/SETTING: Low- to moderate-income adults living in a northeastern US city were selected randomly from 3 ethnic groups: black (n = 201), Hispanic (n = 191), and white (n = 200). STATISTICAL ANALYSES: Bivariate and multiple linear regression analysis of associations between life-course variables and fruit and vegetable consumption. RESULTS: Black, Hispanic, and white respondents differed significantly in life-course experiences, family roles, socio-demographic characteristics, and place of birth. Explanatory models for fruit and vegetable consumption differed among ethnic groups and between fruits and vegetables. Among black respondents, a college education was positively associated with fruit consumption; education and family roles contributed most to differences in fruit (R2 = .16) and vegetable (R2 = .09) consumption. Among Hispanic respondents, life-course experiences such as liking fruits and vegetables in youth, making dietary changes for health, and food skills were positively associated with fruit (R2 = .25) and vegetable (R2 = .35) consumption. Among white respondents, socio-demographic characteristics, such as being married with a young child or single with no child and having a garden as an adult, were positively associated with fruit (R2 = .20) and vegetable (R2 = .22) consumption. APPLICATIONS/CONCLUSIONS: An understanding of the determinants of food choice in different subcultural groups can be used to design effective nutrition interventions to increase fruit and vegetable consumption. Experiences such as eating fresh-picked fruits and vegetables while growing up or vegetable gardening as an adult may enhance fruit and vegetable consumption among members of some ethnic groups.

Adolescent↗
PubMed1997

Model for voluntary wine and alcohol consumption in rats.

It has been suggested that moderate consumption of ethanol and wine has a protective effect on human health. Animal models used to date for alcohol consumption can not mimic real situations in humans because the consumption is forced and/or excessive. The present study proposes to determine the effects of a voluntary and ad lib consumption model more similar to that of human behavior. Male Wistar rats had free access to either standard diet and water or the same diet plus red wine, sweet wine, or a solution equivalent to red wine (13.5% ethanol) or to sweet wine (20% ethanol + 130 g/L sucrose) for 30 days or 6 months. Daily wine consumption was 15.8 +/- 0.9 and 2.0 +/- 0.2 ml/day for sweet and red wines, respectively. The consumption of each of the alcoholic solutions was similar to that of the wine they were simulating. Drinking wine or ethanol did not affect food and water intakes or growth rate. Plasma metabolites were not substantially affected by consumption of wine or ethanol. Although moderate and high wine consumption did not change the activity of plasma marker enzymes of tissue damage, the consumption of the 2 alcoholic solutions caused a long-term increase in the activity of aspartate aminotransferase. It seems that wine consumption protects the organism from hepatic lesions induced by ethanol alone.

Alcohol Drinking↗
PubMed2000

The role of attitudes, intentions and habit in predicting actual consumption of fat containing foods in Italy.

OBJECTIVE: To explore which were the most important predictors of the actual consumption of foods containing fat and to test if there were different profiles of beliefs and attitudes. DESIGN: A total of 1200 households participated in a food consumption survey for 7 days. A questionnaire, containing questions on belief, attitude and intention items based on Ajzen and Fishbein's model, was completed on the first day of the survey. SETTING: The study was conducted at the beginning of 1994 in Italy. SUBJECTS: In all, 860 subjects, randomly selected for each household participating in the food consumption survey, were included in this study. RESULTS: A cluster analysis based on average daily intake per capita of nine types of food containing fats was carried out on 860 subjects. The three clusters represented people with different criteria of preference for milk. The relationship between the variables was tested using the forward selection method in multiple regression. The attitude entered sequentially into the model assessing the intention of consuming, after the habit component. Habit was found to be the most the most important predictor of the actual consumption of each type of food. The intention entered into the equation as predictor of the consumption only for butter and olive oil. Habit has been found more important than intention in influencing the consumption of all types of food, whereas the intention did not enter into the model as determinant of the consumption with exception of butter and olive oil in which it remains as a significant predictor. CONCLUSIONS: The results of the cluster analysis suggested that subjects of cluster 1 might be more concerned about fat intake. The findings of the regressions showed that the subjective measure of habit entered in the model as the most important predictor of the actual consumption of each type of food. The low prediction of the actual consumption indicated that there could be other important variables influencing the consumption not included in this study.

Adolescent↗
PubMed1996

WHO working group on population levels of alcohol consumption: Oslo, 14-16 December 1994.

Target 17 of the Health Policy for Europe calls for the health-damaging consumption of dependence-producing substances such as alcohol, tobacco and psychoactive substances to be significantly reduced in all Member States between the year 1980 and the year 2000. With regard to alcohol, it is suggested that alcohol consumption be reduced by 25%, with particular attention to reducing harmful use. A question posed by a number of Member States is what is the level of per capita alcohol consumption of lowest risk to physical, psychological and social harm. A working group was convened to consider population levels of alcohol consumption with particular reference to the Member States of the European Region of WHO. A basis for understanding population problem experience can be established through the interaction between individual risk and distribution of consumption levels within the population. The working group concluded that public health policy within the European Region should continue to advise decreases of per capita consumption. Even when taking into account coronary heart disease, it can be concluded at the population level, across all ranges of alcohol consumption found in almost all countries of Europe, that a reduction in consumption is linked to better health. However, public health policy concerning alcohol should not be based solely on mortality. All outcomes of drinking, that is mortality, morbidity, social and criminal consequences, as well as quality of life, should be considered. The existing data relating alcohol consumption to health originates from countries primarily with a cultural experience of consuming alcohol. In those countries, where there is a cultural or religious tradition of not consuming alcohol, there can be no public health grounds for recommending alcohol consumption.

Adult↗
PubMed2001

A review of expectancy theory and alcohol consumption.

Research is reviewed on the association between alcohol outcome expectancies and consumption which has led many to argue that manipulating expectancies might be a route to manipulating consumption for problem prevention and treatment. Studies indirectly and directly evaluating this latter position are reviewed. Expectancies predicting treatment outcome: two studies have shown that the more positive expectancies held at treatment, the poorer is treatment outcome, but five other studies have failed to find this. Three related studies have shown that the more negative expectancies held at treatment, the better the treatment outcome. This evaluation provides evidence inconsistent with the main position for positive expectancy and limited support for negative. Expectancy manipulations and ad libitum consumption: three studies in the laboratory have shown that increasing positive expectancies through word priming increases subsequent consumption and two studies have shown that increasing negative expectancies decreases it. A single study in the field showed a similar relationship. This evaluation provides evidence consistent with the main position but is limited by measuring consumption changes over only 1-2 hours. Prevention programmes with expectancy components: seven projects are reviewed in which positive expectancies were targeted, but only two report an expectancy change analysis and in both cases the expectancy change did not relate to subsequent consumption. This evaluation provides evidence inconsistent with the main position. Expectancy challenge: two related studies are reviewed in which positive expectancy challenges reduce subsequent consumption but changes in expectancy were not evaluated as predictors of consumption change. Two studies are reviewed which found a reduction in positive expectancy following expectancy challenge but no reduction in consumption. One study is reviewed in which when negative expectancy was increased in treatment there was a better treatment outcome at 3 months follow-up than when it was not. This evaluation provides evidence inconsistent with the main position for positive expectancy and limited consistent evidence for negative. It is concluded that the research has still to be done that securely links expectancy manipulations with subsequent changes in consumption, and fulfils the early promise from association studies.

Alcohol-Related Disorders↗
PubMed2001

Alcohol consumption and risk of prostate cancer: The Harvard Alumni Health Study.

BACKGROUND: Although many studies suggest that consumption of alcohol increases the risk of several site-specific cancers, the evidence remains unclear for prostate cancer. Few data exist on beverage-specific associations as well as lifetime patterns of alcohol consumption and prostate cancer risk. METHODS: We prospectively followed 7612 Harvard alumni (mean age 66.6 years) from 1988 through 1993, during which 366 cases of incident prostate cancer occurred. Self-reported alcohol consumption was assessed at baseline from wine, beer, and liquor intake. Previous assessments during college and in 1977 were also available. RESULTS: Overall, the mean total alcohol consumption in 1988 was 123.1 g/week, of which 28.6% was from wine, 15.8% from beer, and 55.6% from liquor. Compared to men reporting almost never drinking alcohol in 1988, the multivariate relative risks (95% CI) for 1 drink/month to < 3 drinks/week, 3 drinks/week to < 1 drink/ day, 1 to < 3 drinks/day, and > or = 3 drinks/day were 1.33 (0.88-2.01), 1.65 (1.12-2.44), 1.85 (1.29-2.64), and 1.33 (0.86-2.05), respectively. Wine or beer consumption was unassociated with prostate cancer; however, moderate liquor consumption was associated with a significant 61-67% increased risk of prostate cancer (P, non-linear trend < 0.001). Men initiating alcohol consumption between 1977 and 1988 had a twofold increased risk of prostate cancer compared to men with almost no alcohol consumption at both times. CONCLUSIONS: In contrast to the majority of previous studies, we found a positive association between moderate alcohol consumption and the risk of prostate cancer. Liquor, but not wine or beer, consumption was positively associated with prostate cancer.

Aged↗
PubMed2000

Streptococcus pneumoniae resistance to erythromycin and penicillin in relation to macrolide and beta-lactam consumption in Spain (1979-1997).

Streptococcus pneumoniae resistance to penicillin and erythromycin in relation to beta-lactam and macrolide consumption in Spain over 19 years (1979-1997) was studied from resistance data collected by a search of the literature. Antibiotic consumption was expressed in defined daily dosage (DDD)/1000 inhabitants/day. A significant relationship (P: < 0.001) between erythromycin resistance (MIC >/= 1 mg/L) and global macrolide consumption (r = 0.942), as well as between high-level penicillin resistance (MIC >/= 2 mg/L) and global beta-lactam consumption (r = 0.948) was observed. The relationship between erythromycin resistance and macrolide consumption was due mainly to consumption of macrolides taken twice a day (adjusted r(2) = 0.886). Prevalence of high-level penicillin resistance correlated with consumption of oral cephalosporins (adjusted r(2) = 0.877); however, there appeared to be no correlation of consumption of oral or parenteral aminopenicillins, narrow-spectrum penicillins or cephalosporins with intermediate-level penicillin resistance (MIC 0. 12-1 mg/L). The prevalence of high-level penicillin and of erythromycin resistance were also strongly correlated with each other (r = 0.903, P: < 0.001). In addition to global consumption, different categories of resistance (high or intermediate), and the differential capability of antibiotics to select resistance, must be taken into account when studying antibiotic impact on bacterial populations. Although this ecological analysis is not able to demonstrate a causal relationship between antibiotic consumption and development of resistance, it suggests that overuse of certain specific antibiotics is more likely to be related to the increase in drug-resistant strains of S. pneumoniae.

Anti-Bacterial Agents↗
PubMed2005

Analysis of the causes and consequences of decreased antibiotic consumption over the last 5 years in Slovenia.

OBJECTIVES: Compared with European countries, the use of antibiotics in Slovenia is moderate. In the period 1999-2002 an 18.67% decrease in outpatient antibiotic consumption was noted. The aim of the present study was to analyse this decrease and its consequences. METHODS: The data on outpatient antibiotic consumption were obtained from the Institute of Public Health and Health Insurance Institute of Slovenia and expressed in defined daily doses (DDD)/1000 inhabitant-days. The number of media publications on 'antibiotic drugs' and 'bacterial resistance' during the study period was obtained. In 2000, the prescription of co-amoxiclav and fluoroquinolones was restricted because of a constant increase in the consumption of these drugs. The data on incidence of acute mastoiditis and penicillin resistance among invasive pneumococci were obtained. RESULTS: The total outpatient consumption of antibacterials increased from 15.21 DDD/1000 inhabitant-days in 1996 to 20.08 in 1999, and decreased to 16.97 in 2003. The consumption of restricted antibiotics decreased from 7.29 in 1999 to 5.25 DDD/1000 inhabitant-days in 2003. There was a positive correlation between antibiotic consumption and the number of newspaper articles (r=0.92), and a negative correlation between the number of diagnostic tests and antibiotic consumption (r=-0.73 for the C-reactive protein test and -0.68 for the streptococcal antigen detection test). Reduced antibiotic consumption was paralleled by a decrease in penicillin resistance among invasive pneumococci. No increase in mastoiditis cases was observed in spite of reduced antibiotic consumption. CONCLUSION: Restriction of antibiotic prescription proved to be effective in reducing outpatient antibiotic consumption. The effect was prolonged and affected restricted antibiotics as well as non-restricted drugs.

Ambulatory Care↗
PubMed2006

Hospital consumption of antibiotics in 15 European countries: results of the ESAC Retrospective Data Collection (1997-2002).

OBJECTIVES: To collect reliable, comparable and publicly available data on hospital use of antibiotics in Europe aggregated at the national level (1997-2002). METHODS: Consumption data of systemic antibiotics in Anatomical Therapeutic Chemical (ATC) class J01 were collected and expressed in defined daily doses (DDD) per 1000 inhabitants per day. Valid data for 2002 were available for 15 countries, and 6 year trends for 10 countries. Comparison with ambulatory care (AC) consumption data was possible in 14 countries. RESULTS: In 2002, median national hospital antibiotic consumption in Europe was 2.1 DDD/1000 inhabitants/day in Europe, ranging from 3.9 in Finland and France to 1.3 in Norway and Sweden. Hospital care (HC) consumption as a proportion of total antibiotic consumption ranged from 17.8% to 6.4%. The consumption of hospital-specific antibiotics ranged from 0.43 DDD/1000 inhabitants/day in Greece and 0.08 in Sweden. Six-year trends in consumption were stable, except for rising co-amoxiclav exposure and more rapid market penetration of new antibiotics (e.g. levofloxacin) in some countries. There was a strong, positive correlation between the extent of antibiotic use in AC and in HC (Spearman coefficient 0.745; P = 0.002), both for overall use and for use of five main classes (not macrolides and 'others'). In contrast to AC consumption no substantial seasonal variation in consumption was observed. CONCLUSIONS: It was cumbersome but feasible to collect ecological data on hospital antibiotic consumption in a set of 15 European countries on a retrospective basis, illustrating substantial cross-national variations in the extent and distribution of exposure to antibiotics in hospital care.

Anti-Bacterial Agents↗
PubMed1995

Risk of breast cancer in relation to lifetime alcohol consumption.

BACKGROUND: Although an association between alcohol consumption and risk of breast cancer has been observed in many studies, questions of major importance remain, including the nature of the dose-response relationship and the effects of drinking at various periods in life. PURPOSE: Our goal was to address the issues listed above with a large case-control study. METHODS: We conducted a population-based case-control study in Maine, Massachusetts (excluding the four counties that include metropolitan Boston), New Hampshire, and Wisconsin. Case patients were eligible if their diagnosis of invasive breast cancer was first reported to one of the four statewide cancer registries during the period of 1988 through 1991. During the accrual period, 11,879 potentially eligible case patients and 16,217 control subjects were identified. After excluding ineligible women from the study, telephone interviews were obtained from 6888 case patients and 9424 control subjects. Complete data for recent alcohol consumption, and thus final eligibility for study participation, were determined for 6662 case patients and 9163 control subjects. The average age at time of interview was 58.7 years. The questions on alcohol use addressed average consumption during five periods of the subjects' lives: ages 16-19, 20-29, 30-39, 40-59, and 60-74 years. Similar responses from 211 control subjects upon reinterview 6-12 months later were taken to be indicative of the reliability of the questionnaire used in this study. RESULTS: Lifetime average alcohol consumption (measured as the average grams per day consumed from age 16 to the recent past) and recent alcohol consumption (average grams per day consumed in the previous age interval) were associated with risk of developing breast cancer. The multivariate relative risk of breast cancer, in those who drink compared with abstainers, associated with average lifetime consumption of 12-18 g/day of alcohol (about one drink) was 1.39 (95% confidence interval [CI] = 1.16-1.67), of 19-32 g/day (about two drinks) was 1.69 (95% CI = 1.36-2.10), of 33-45 g/day (about three drinks) was 2.30 (95% CI = 1.51-3.51), and of greater than or equal to 46 g/day (four or more drinks) was 1.75 (95% CI = 1.16-2.64) (P for trend < .0001). The multivariate relative risk per 13 g/day (about one drink) of alcohol consumed before 30 years of age was 1.09 (95% CI = 0.95-1.24), whereas the relative risk associated with recent consumption of 13 g/day was 1.21 (95% CI = 1.09-1.34). CONCLUSIONS: In these data, alcohol consumption was clearly related to breast cancer risk. Risk appeared to increase even at moderate levels of consumption. For women of all ages combined, consumption before 30 years of age was not an important determinant of risk.

Adolescent↗
PubMed1995

Consumption of olive oil and specific food groups in relation to breast cancer risk in Greece.

BACKGROUND: Experimental animal studies suggest that olive oil consumption, as contrasted to consumption of other fat types, does not enhance the occurrence of chemically induced mammary tumors, but human data are sparse. Furthermore, evidence is inconclusive concerning the role of food groups, as distinct from that of major nutrients, in the etiology of breast cancer in women. PURPOSE: This analysis was conducted to evaluate and quantify the effect of consumption of olive oil, margarine, and a range of food groups on the risk of breast cancer. METHODS: Data from a comprehensive, semiquantitative food-frequency questionnaire administered to 820 women with breast cancer and 1548 control women from the study base were used to calculate odds ratios (ORs) and X statistics of linear trend for the consumption of olive oil, margarine, and a series of food groups classified in quintiles. Adjustment for the effects of reproductive risk factors, energy intake, and mutual confounding influences was implemented through unconditional logistic regression modeling. RESULTS: Vegetable consumption and fruit consumption were independently associated with statistically significant reductions of breast cancer risk by 12% and 8%, respectively, per quintile increase; no significant associations were evident for the other food groups examined. Increased olive oil consumption was associated with significantly reduced breast cancer risk (OR = 0.75 [95% confidence interval = 0.57-0.98] for more than once a day versus once a day), whereas increased margarine consumption was associated with significantly increased risk (OR = 1.05 [95% confidence interval = 1.00-1.10] for an increment of four times a month). The olive oil association was apparently concentrated among postmenopausal women, but the relevant interaction term was not statistically significant; there was no suggestion of interaction with menopausal status for consumption of either vegetables, fruits, or margarine. CONCLUSIONS: Although major categories of macronutrients do not show significant associations with breast cancer risk in most studies, including the present one, vegetables and fruits are inversely, significantly, and strongly associated with this risk. There also is evidence that olive oil consumption may reduce the risk of breast cancer, whereas margarine intake appears to be associated with an elevated risk for the disease.

Breast Neoplasms↗
PubMed1988

Alcohol consumption and hip fractures: the Framingham Study.

Alcoholics often sustain hip and other fractures. However, a detailed examination of the association between alcohol consumption and hip fractures has not been undertaken. Specifically, the effects of moderate alcohol intake, of alcohol consumption in the elderly, and of changes in consumption have not been studied. Using a retrospective cohort design, the authors evaluated this association in the population-based Framingham Heart Study cohort, a group studied over 35 years and queried repeatedly about their alcohol consumption. In 117,224 person-years of observation, 217 hip fractures occurred. Heavy current alcohol consumption (defined as seven or more ounces (207 ml or more) per week) was associated with a modestly increased risk of hip fracture for women (relative risk (RR) = 1.54) and for men (RR = 1.26) after adjustment for age. In a logistic regression analysis controlling for age, sex, weight, and smoking, current alcohol consumption was associated with a significant (p = 0.01) increase in risk of fracture. The relative risks at different ages were not uniform. For those aged less than 65 years, moderate (2-6 ounces (59.14-177.4 ml) per week) and heavy (seven or more ounces (207 ml or more) per week) were associated with a substantial and significant increased risk, but there was only a marginal and nonsignificant increase in risk in those aged 65 years or more. Examination of the effect of changing alcohol consumption over time indicated that among present heavy alcohol users, past light alcohol consumption reduced the risk (p = 0.03) of fracture, whereas in those with present light consumption, past heavy intake had little effect on fracture risk (p = nonsignificant). In conclusion, alcohol consumption, especially if long-term and heavy, increases the risk of hip fracture.

Accidental Falls↗
PubMed2003

The effects of chronic ethanol consumption during early pregnancy on conceptus health and uterine function in pigs.

BACKGROUND: Maternal ethanol consumption impairs fetal health, but it is unclear if this occurs through direct actions on the conceptus or indirectly through effects on the uterus. The objective of this study was to determine if chronic ethanol consumption in swine would impair early embryonic and fetal health either through direct effects on the conceptus or indirect effects on the endometrium. METHODS: Four experiments evaluated the effects of chronic ethanol consumption during early pregnancy. Female pigs were fed either 350 ml of 95% ethanol or an isocaloric amount of dextrose at 10 to 14-hr intervals beginning on day 10 after pubertal estrus and continuing until ovariohysterectomy 11 to 35 days after mating. At the second estrus, pigs were mated to a fertile boar that did not consume alcohol. RESULTS: In experiment 1, ethanol consumption increased (p < 0.01) blood alcohol concentrations that peaked 2-3 hr after feeding. In experiment 2, ethanol was detectable in uterine flushings 2 hr after feeding on day 11 of pregnancy and was highly correlated (r = 0.989, p < 0.001) with blood alcohol concentration. In experiment 3, ethanol consumption did not affect endometrial phospholipase C activity on days 11 and 16 of pregnancy but decreased (p < 0.05) basal endometrial prostaglandin F(2alpha) production on day 16. However, ethanol consumption did not decrease the number of conceptuses on day 11 or conceptus DNA content on days 11 or 16. In experiment 4, ethanol consumption decreased (p < 0.05) fetal survival rate to 58% versus 85% in dextrose-fed controls on day 35 of pregnancy. For viable conceptuses, ethanol consumption reduced (p < 0.01) fetal weight, fetal crown-rump length, placental weight and volume of placental (chorio-allantoic + amniotic) fluid. CONCLUSION: These results indicate that chronic ethanol consumption may impair conceptus health directly or indirectly through actions upon the endometrium. Thus, the pig may be a valuable experimental model for studies on the effects of maternal alcohol consumption on conceptus development.

Alcohol Drinking↗
PubMed2004

Cumulative lifelong alcohol consumption alters auditory brainstem potentials.

BACKGROUND: Alcohol is one of the most widely abused substances in the United States and Europe. It is believed that alcohol causes brain damage that may influence the central auditory tracts. Brainstem auditory evoked potentials (BAEPs) are a common method for measuring central auditory pathways. Therefore, the influence of cumulative lifelong alcohol consumption on BAEPs in subjects with normal hearing was investigated both qualitatively and quantitatively. METHODS: BAEPs were measured in 38 male subjects, 19 of whom were head and neck tumor patients with an ECOG (Eastern Cooperative Oncology Group) scale of zero and 19 plastic surgery patients. A self-report questionnaire on alcohol and nicotine consumption together with blood tests and pure tone audiometry were obtained for all subjects before the BAEP measurement. RESULTS: The alcohol consumption of the head and neck tumor patients corresponded to high-risk, dangerous, and risky alcohol consumption behavior, whereas that of the plastic surgery patients corresponded to risky and low-risk consumption behavior. In this way, a wide spectrum of alcohol consumption was covered. The latency I-V of the high-risk, dangerous, and risky drinkers was found to be significantly delayed compared with low-risk drinkers. A logarithmic relationship between BAEP latencies and cumulative lifelong alcohol consumption was obtained. CONCLUSION: Alcohol consumption leads to damage in the brainstem. The logarithmic behavior between BAEP latencies and cumulative lifelong alcohol consumption reveals that even alcohol consumption within the range of low-risk drinkers may alter auditory evoked brainstem potentials significantly.

Adult↗
PubMed1999

Water consumption in the United States in 1994-96 and implications for water fluoridation policy.

OBJECTIVES: The purpose of this project was to describe current water consumption patterns and to compare them to findings from earlier studies. Current water consumption data also were used to reevaluate the association between water consumption and climate. These findings are of importance in estimating fluoride intake from fluoridated water. METHODS: Findings from the 1994-96 Continuing Survey of Food Intakes by Individuals (CSFII) were compared to those from two earlier dietary studies, the 1977-78 Nationwide Food Consumption Survey (NFCS) and the pioneering research of Galagan and colleagues in the 1950s. Food consumption data were analyzed for 14,619 persons with food and beverage intake data for two 24-hour periods in the CSFII. RESULTS: Increased consumption of infant formulas and decreased consumption of tap water and cow's milk were seen in the CSFII for infants compared to the NFCS. Older children and adults showed increased consumption of carbonated beverages and juices. While Galagan and colleagues found about a 60 percent increase in water consumption between the coldest (55 degrees F) and warmest (85 degrees F) conditions, only a 20 percent difference was seen between the winter and summer months in certain regions in the CSFII. CONCLUSIONS: No obvious strong or consistent association between water intake and month or season was apparent in these recent data. These findings are preliminary, and suggest that water fluoridation policy requires further research regarding water consumption and climate.

Adolescent↗
PubMed1992

Alcohol consumption in a Danish cohort during 11 years.

A cohort living in Copenhagen County, originally consisting of 1198 persons, 577 men and 621 women, 40-years of age in 1976, was reexamined in 1981, and again in 1987. Of the original cohort 1052 (88%) participated in 1976, 992 (84%) in 1981, and 965 (85%) in 1987. The purpose of this study was to describe changes in alcohol consumption in the cohort, with the view of identifying subgroups, who have changed their alcohol consumption behaviour to a certain extent. Alcohol consumption was measured by the same questionnaire all three times as to the level of consumption and frequency. Alcohol consumption peaked in 1981 (45-year olds) with 10.4 drinks on average a week. Men increased their consumption by 8% and women by 37%. There was an overall downward tendency in the consumption frequency among men, whereas the opposite was the case among women. The two groups are converging toward a weekly consumption frequency. It seems now that women are leading the change toward a greater wine consumption in relative and absolute terms. It is therefore concluded that female consumption should be considered as a target in future preventive programmes.

Alcohol Drinking↗
PubMed1995

Monoclonal antibodies specific for rat relaxin. VIII. Passive immunization with monoclonal antibodies throughout the second half of pregnancy reduces water consumption in rats.

Recent studies demonstrated that exogenous relaxin promoted drinking in nonpregnant rats. The purpose of this investigation was to determine the influence of endogenous relaxin on water consumption in pregnant rats. To that end, a monoclonal antibody specific for rat relaxin, designated MCA1, was used to passively neutralize endogenous relaxin throughout the second half of pregnancy in intact rats. Five milligrams of highly purified MCA1 were administrated iv to rats daily from days 12-22 of pregnancy. Controls received either a monoclonal antibody for fluorescein (monoclonal antibody control) or PBS (vehicle control). The amount of water consumed and both the total duration of water consumption and the total number of episodes when water was consumed were determined daily during both dark and light periods for all treatment groups. From days 13-22 of pregnancy, all three of these parameters of water consumption increased during the 10-h dark period (P < 0.01), but not during the 14-h light period. The mean daily water consumption in MCA1-treated rats was significantly less than that in controls (P < 0.05). Relaxin's effects on water consumption were limited to the 14-h light period (P < 0.01). No difference was found in daily water consumption between the MCA1-treated and control groups during the 10-h dark period. There was a tendency during the light period for both the total duration of water consumption (P = 0.06) and the total number of episodes when water was consumed (P = 0.13) to be less in MCA1-treated rats than in controls. Food consumption and body weight increased as pregnancy progressed, but no differences were found among the three treatment groups. We conclude that endogenous relaxin has effects on water consumption. It promotes water consumption during the daily light period in the second half of pregnancy in rats. Thus, relaxin may be a dipsogenic agent.

Animals↗