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PubMed2006

Nutrition and health at contact in late prehistoric central Gulf Coast Florida.

This paper presents an analysis of human remains from Tatham Mound, a dual-component mortuary site from central Gulf Coast Florida. The human remains from Tatham are significant because they come from a limited time period during the initial contact with Europeans at AD 1525-1550. Dietary reconstruction demonstrates that at the time of European contact, maize was not a predominant dietary item. Low frequencies for several dental and skeletal pathological indicators are consistent with relatively good health as compared to other Southeastern late prehistoric and protohistoric populations. Despite the limited time period represented by the mound population, critical interactions occurred between Native Americans and Spaniards, as indicated by skeletal elements severed by metal weapons. The Tatham population is significant because it is one of the earliest studied populations contacted by Europeans in North America, and the only one with well-documented sharp-force trauma that represents intergroup hostility.

Animals↗
PubMed2006

Health of the non-elites at Tombos: Nutritional and disease stress in New Kingdom Nubia.

During the New Kingdom period, Egypt succeeded in occupying most of Nubia. Colonial towns were built, which served as centers of government and redistribution. This paper uses a bioarchaeological approach to address the effects of this cultural contact on non-elites. Skeletal remains from the site of Tombos (N = 100), a cemetery in Upper Nubia dating to this important time, are analyzed, in addition to 1,082 individuals from contemporaneous Egyptian and Nubian sites, in order to shed light on the social, political, and economic processes at play and to determine how the people at Tombos were affected during this transitional period. In many ways, the Tombos population appears to have been affected by similar stressors as the other populations under study. However, a few small differences in the subadult frequencies of pathological lesions, especially remodeling rates, are significant in the overall picture of health at Tombos. These analyses suggest that, although the people of Tombos may have been integrated into the Egyptian colonial network, the additional resources they may have obtained could not protect them from nutritional and disease stress. A lower childhood survival through bouts of ill health at Tombos is suggested. While status may have played a role in the differences seen in the comparative populations, it is likely that parasites and/or other infections led to childhood illness and death.

Adolescent↗
PubMed2006

Interpersonal violence in prehistoric San Pedro de Atacama, Chile: behavioral implications of environmental stress.

The prehistoric population of San Pedro de Atacama lived through periods marked by prosperity and interregional interaction, as well as times of severe drought, social stress, and widespread poverty. A sample of 682 crania was analyzed for evidence of cranial trauma in order to assess changing patterns of interpersonal violence during the occupation of the oasis. It was hypothesized that the level of traumatic injuries in this population would parallel some of the changes seen in the archaeological record. Low fracture rates would be expected in periods of affluence and environmental stability, while periods characterized by environmental extremes and state collapse would yield elevated rates of aggression. This analysis found that rates of trauma escalated from 5.1% (5/99) in the earliest period, to 10.9% (10/92) in the Middle Horizon (AD 600-950). Although it may reflect problems related to increasing population density in the oasis, this increase is surprising, given that the early period witnessed the shift to permanent settlements, and the middle period was one of prosperity and plentiful resource availability. Trauma rates peaked at 35.6% (16/45) in an early Late Intermediate period (AD 950-1400) cemetery, with other Late Intermediate cemeteries demonstrating similarly high rates of traumatic injury. The elevated trauma rates during this period correlate with major droughts, the concentration of settlements on the oasis' east side, fortified structures, and material poverty, all reflected in the archaeological record. As the Late Intermediate waned and environmental conditions improved, trauma concomitantly decreased (7.0%), and remained low throughout the Inka occupation (AD 1400-1532). This indicates that while the Atacama was not peaceful, violence became commonplace only during periods of great social change and resource stress.

Adult↗
PubMed2006

Adaptations to humeral torsion in medieval Britain.

Adaptations to the humeral torsion angle have been identified in the professional throwing athlete. This movement pattern increases the humeral torsion angle, and also increases the extent of external rotation movements in the dominant, throwing limb when compared with the nondominant limb. The purpose of this paper is to test the hypothesis that the humeral torsion angle is an adaptation to upper limb use. This project examines the humeral torsion angle in a number of medieval British populations, as well as a modern cadaver-based sample. The results identify significant differences in the humeral torsion angle both between and within male (P < 0.001, ANOVA) and female (P < 0.014, ANOVA) populations, although the results are not consistent with expected behavior patterns. Statistically significant differences between males and females within the same site were identified in 2 of the 5 samples examined. The mean level of bilateral asymmetry does not approach that reported for the professional throwing athlete. However, a number of individuals have high levels of asymmetry in excess of that identified in the professional throwing athlete. This analysis demonstrates the need for individual rather than population-based analyses, as the heterogeneity within population samples obscures individual variation in activity patterns. The diversity within British medieval society and a lack of specific known behaviors prevent further identification of the functional significance of the humeral torsion angle within the archaeological record examined here.

Adaptation, Physiological↗
PubMed2006

Outside St. Jørgen: leprosy in the medieval Danish city of Odense.

Leprosy was a common and dreaded disease in the Danish Middle Ages (AD 1050-1536). Starting in the second half of the 13th century, leprosaria were established in many Danish towns and cities. In the city of Odense (on the island of Funen, Denmark), the cemetery of the leprosarium was totally excavated, and four nonleprosarium medieval and early modern cemeteries have been partly excavated. This paper explores the frequency of leprosy in the nonleprosarium cemeteries in Odense, and looks for evidence of selective exclusion from the ordinary population. The analyses are based on 733 skeletons from four cemeteries in Odense: the Gray Friars monastery, St. Albani parish church, St. Knuds cathedral, and Black Friars monastery. Seven lesions are scored and, based on known epidemiological properties (i.e., specificity and sensitivity) of these lesions, scores were transformed to statistics characterizing an individual's risk of having suffered from leprosy. This statistical approach remains of primary theoretical value, pending confirmation by independent research groups at other sites. Prevalence of the skeletal manifestation of leprosy at death varied between 0-17% among the different cemeteries in Odense. The highest prevalence was seen in cemeteries with many burials before AD 1400. It is estimated that before AD 1400, between 14-17% of those buried in the nonleprosarium cemeteries suffered from leprosy. In all nonleprosarium cemeteries, there was evidence for selective exclusion of people with facial leprosy lesions. For a short period just up to AD 1300, the cemetery of the Odense leprosarium had, on average, more than 20 yearly burials. The establishment of the leprosarium was followed within a relatively short period by a dramatic decline in the number of sufferers of leprosy in the nonleprosarium cemeteries. The number of yearly burials in the leprosarium cemetery also declined rapidly during the 14th century. The present analyses do not permit conclusions about the reasons for this decline in leprosy prevalence.

Bone and Bones↗
PubMed2006

Age-related cortical bone loss in women from a 3rd-4th century AD population from England.

Age-dependent cortical bone loss in adult females from a skeletal assemblage from 3rd-4th century AD England was studied using metacarpal radiogrammetry. Results showed reduced peak cortical bone thickness compared with modern subjects, and the magnitude of cortical bone loss in older females compared with their younger counterparts was greater than that documented for a modern reference population. An elevated prevalence of fractures classically associated with osteoporosis was also observed in the over-50-year cohort. The severity of osteoporosis in this group is difficult to explain in terms of extraneous factors relating to 3rd-4th century lifestyles. Given the important genetic component in osteoporosis, the results may indicate some inherent susceptibility in this particular population to the disease, and ways in which this possibility might be further explored are suggested.

Age Factors↗
PubMed2006

Brief communication: unusual finding at Pueblo Bonito: multiple cases of hyperostosis frontalis interna.

Hyperostosis frontalis interna (HFI) is a disease characterized by excess bone growth on the internal lamina of the frontal bone and, occasionally, other cranial bones. Although the disease is fairly common in modern populations, its etiology is poorly understood. Hyperostosis frontalis interna has been identified in antiquity, primarily in the Old World, but with a much lower frequency than in modern groups. The purpose of the present study is to report multiple cases of HFI at Pueblo Bonito (Chaco Canyon, New Mexico). Twelve out of 37 adults with observable frontal bones exhibited HFI, ranging from mild to severe, including 11 females and one male. This is the first published case report of HFI in archaeological remains from the New World having a frequency comparable with modern groups. Most archaeological cases of HFI are isolated, so comparative data for multiple cases at one site are rare. The results of this study emphasize the importance of looking for HFI in archaeological remains, although it is rarely observed. Possible genetic and environmental factors for the high frequency of HFI at Chaco Canyon are considered, but additional research is needed to discover the etiology and to better understand why HFI sometimes occurs at modern frequencies in ancient populations.

Fossils↗
PubMed2006

Osteoporosis in a population from medieval Norway.

Modern populations from Norway and England differ in their experience of osteoporosis, the former showing lower bone mineral density (BMD) and a higher fragility fracture rate. The aim of the present work was to investigate whether this was also the case during the Middle Ages. Age-dependent loss of BMD in the proximal femur was assessed using dual X-ray absorptiometry (DXA) in male and female adult skeletons from a cemetery in the medieval town of Trondheim, Norway. Fracture prevalence was also investigated. Results were compared with those previously reported for a skeletal series from Wharram Percy, a deserted medieval village in England. Results indicate that peak BMD and patterns of age-related loss of BMD in the Norwegian and the English group were similar. Among females, the prevalence of osteoporotic fractures was greater in the Norwegian than in the English population. The BMD results suggest that differences in BMD between English and Norwegians are of recent origin, although given the fairly modest sample sizes, further work is needed to confirm this. Reasons for the greater prevalence of osteoporotic fractures in women in the Norwegian skeletal series are unclear, but the colder climate and greater frequency of hard surfaces may have meant that falls were more frequent, and when they occurred, were more likely to result in fractures than in the rural English group.

Adolescent↗
PubMed2007

Cranial trauma in iron age Samnite agriculturists, Alfedena, Italy: implications for biocultural and economic stress.

The Samnites are an Iron Age protohistoric people from the central region of Italy. The skeletal remains are from the Alfedena necropolis, 6th through 5th centuries B.C. Macchiarelli et al. (Antropologia Contemporanea 4 (1981) 239-243) were the first to report on cranial trauma for this population, presenting four cases with extreme injuries. We re-examined this well documented skeletal population for additional examples of trauma. Previously unexamined remains from Alfedena, excavated at the turn of the 20th century, are also included in our analysis (Mariani. 1901. "Aufidena", ricerche archeologiche e storiche del Sannio settentrionale. Roma: Acc Naz Dei Lincei). Of the 209 adult crania examined, 12.9% of them exhibited trauma. Analysis of location and frequency of cranial trauma revealed that cranial injuries to the head appear to originate from all directions. The high rate of cranial trauma underscores the violent circumstances experienced during the Iron Age protohistoric period of central Italy. Males are much more likely to exhibit cranial injury than females (P = 0.009). We conclude that the injuries received by Samnite male farmer-warriors occurred while defending pastoral-agricultural resources. Trauma rates are similar for some Iron Age populations and not for others. Behavior associated with violence during the Iron Age period can not be generalized for all populations found in Italy.

Adult↗
PubMed2007

Osteoarthritis in Siberia's Cis-Baikal: Skeletal indicators of hunter-gatherer adaptation and cultural change.

This examination of osteoarthritis in Siberia's Cis-Baikal region focuses on the reconstruction of mid-Holocene mobility and activity patterns with particular interest in an alleged fifth millennium BC biocultural hiatus. Five cemetery populations--two representing the pre-hiatus Kitoi culture (6800-4900 BC) and three the post-hiatus Serovo-Glaskovo (4200-1000 BC)-are considered. The objective is to investigate osteoarthritic prevalence and distribution (patterning) within and among these populations in order to reconstruct mobility and activity patterns among the Cis-Baikal foragers, and to test for possible disparities that may reflect differing adaptive strategies. The data reveal that levels of activity remained relatively constant throughout the mid-Holocene but that mobility and specific activity patterns did not. Although results are consistent with the current understanding of distinct Kitoi and Serovo-Glaskovo subsistence regimes, specifically the lower residential mobility and narrower resource base of the former, they also draw attention to adaptive characteristics shared by all occupants of the Cis-Baikal.

Adaptation, Biological↗
PubMed2007

An investigation of skeletal indicators of vitamin D deficiency in adults: effective markers for interpreting past living conditions and pollution levels in 18th and 19th century Birmingham, England.

Vitamin D deficiency in adults is referred to as osteomalacia, and this condition has multiple causes related to factors such as environment, living conditions and cultural practices. Therefore, understanding the types and range of expression of osteomalacia in archaeological bone, using a number of investigative techniques, will have significant implications for interpretations made about past communities. This study aimed to understand the expression of vitamin D deficiency in the skeletons of adults through detailed analysis of human bone from the late 18(th) and 19(th) century churchyard of St. Martin's, Birmingham, England, at a gross, radiological and histological level. The collection from St. Martin's is unusual for the period as this central burial ground in Birmingham was used by a wide cross section of society rather than a narrow socio-economic group as at other sites of this date. Macroscopic and radiological analysis of 291 adults identified seven individuals with osteomalacia, and histological analysis using back-scattered scanning electron microscopy confirmed the findings. Detailed description of the range of pathological alterations observed in the archaeological skeletons are presented, and possible interpretations of the patterns seen considered. The results of this investigation will enable clear diagnosis and interpretation of this vitamin D deficiency disease, an important socio-economic indicator, to take place in the future.

Adolescent↗
PubMed2006

Flores hominid: new species or microcephalic dwarf?

The proposed new hominid "Homo floresiensis" is based on specimens from cave deposits on the Indonesian island Flores. The primary evidence, dated at approximately 18,000 y, is a skull and partial skeleton of a very small but dentally adult individual (LB1). Incomplete specimens are attributed to eight additional individuals. Stone tools at the site are also attributed to H. floresiensis. The discoverers interpreted H. floresiensis as an insular dwarf derived from Homo erectus, but others see LB1 as a small-bodied microcephalic Homo sapiens. Study of virtual endocasts, including LB1 and a European microcephalic, purportedly excluded microcephaly, but reconsideration reveals several problems. The cranial capacity of LB1 ( approximately 400 cc) is smaller than in any other known hominid < 3.5 Ma and is far too small to derive from Homo erectus by normal dwarfing. By contrast, some associated tools were generated with a prepared-core technique previously unknown for H. erectus, including bladelets otherwise associated exclusively with H. sapiens. The single European microcephalic skull used in comparing virtual endocasts was particularly unsuitable. The specimen was a cast, not the original skull (traced to Stuttgart), from a 10-year-old child with massive pathology. Moreover, the calotte does not fit well with the rest of the cast, probably being a later addition of unknown history. Consideration of various forms of human microcephaly and of two adult specimens indicates that LB1 could well be a microcephalic Homo sapiens. This is the most likely explanation for the incongruous association of a small-brained recent hominid with advanced stone tools.

Animals↗
PubMed2004

Is osteoarthritis a systemic disorder of bone?

OBJECTIVE: To describe the osteologic findings associated with osteoarthritis (OA) of a variety of joints. METHODS: We performed visual examination of 563 skeletons of which >/=80% of the skeleton was available, from an archaeologic site in England. The surfaces and margins of several different joints (shoulders, elbows, wrists, hips, hands, knees, and ankles) were studied for evidence of eburnation and osteophytes, respectively, and the entire skeleton was examined for evidence of generalized enthesophyte formation. Associations between changes in different joint sites and between enthesophyte formation and evidence of OA were sought. RESULTS: Eburnation and osteophyte formation at the hand, hip, and knee were strongly associated with eburnation and osteophytes at other joint sites not commonly thought to be prone to OA, including the elbow and wrist. Only the ankle was rarely involved. There was also a strong relationship between both bone eburnation and osteophytes and generalized enthesophyte formation. These findings remained statistically significant after adjustment for the age, sex, and historical period of the skeletons. CONCLUSION: Our findings indicate that skeletal OA is more widespread in the body than is apparent from clinical studies and are consistent with other data suggesting that OA is a disease that is primarily dependent on systemic predisposition to a particular type of bone response to mechanical stress.

Adult↗
PubMed1995

Genetic typing with HUMTH01, HUMVWA31A and HUMFES/FPS short tandem repeat loci, D1S80 variable number tandem repeat locus and HLA-DQ alpha of recent and from XII-XIII centuries spongy bone.

The genetic analysis of ancient populations through DNA from bone remains, requires use of short sized loci that can be amplified by polymerase chain reaction (PCR) for which the short tandem repeat (STR) loci are most suitable. These techniques can also be applied to genetic identification in forensic casework. In this study three STR loci, HUMFES/FPS, HUMTH01, and HUMVWA31A, were selected to estimate their usefulness when applied to recent and ancient spongy bone DNA typing. In addition, loci D1S80 and HLA DQ alpha were also tested in the analysis of recent spongy bone DNA. The recent remains studied were constituted by ten spongy bone samples of postmortem material from one individual buried for 1 year. The ancient remains are composed by 8 spongy bone samples from the heads of left femurs from a XII-XIII Centuries Basque Country population. Adequate amplification and typing results could only be obtained with cetyltrimethyl ammonium bromide (CTAB)-extracted DNA, without any further purification after precipitation. Genotypes of the one year post-mortem material and those of his son and his wife were obtained at the D1S80, HLA-DQ alpha, and STR loci. In all these systems, no exclusion was observed, with a combined probability of paternity of 0.9997. This demonstrates the reliability of the obtained results. The genetic typing of HUMTH01 in spongy bone from the XII-XIII Centuries Basque Country individuals was also performed. This will allow the genetic analysis of ancient bone remains and therefore, to carry out evolutionary population studies.

Base Sequence↗