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Biomedical subjects

M Apfelbaum

Publications and source records attributed to M Apfelbaum.

At least 127 records · Page 7Linked to original sources
PubMed1976

Timing of single daily meal influences relations among human circadian rhythms in urinary cyclic AMP and hemic glucagon, insulin and iron.

Relations among circadian rhythms in serum iron, glucagon and insulin and urinary cyclic AMP excretion differ drastically when diurnally active, nocturnally resting human adults consume all daily food for one week as breakfast only and for another week as dinner only - a finding of interest to diverse fields, e.g., for optimizing certain kinds of therapy or for a better utilization of calories.

Circadian Rhythm↗
PubMed1976

Relationship between plasma insulin, the size and number of adpocytes and habitual calory intake in a group of 186 obese women.

In a group of 186 obese women, no correlation was found between post-glucose load insulinemia, measured at 13:00 hrs, and the degree of overweight, nor between post-glucose insulinemia and mean adipocyte diameter. Significant correlations were found between post-glucose insulinemia and daily caloric intake, and between post-protein insulinemia and mean adipocyte diameter. Post-glucose and post-protein load insulinemia were interrelated.

Adipose Tissue↗
PubMed1976

A chronobiological investigation of fitness for work in women on a 220 cal 24 h protein diet.

In a group of nine healthy but obese women a set of tests were used to estimate several physiological and psycho-physiological variables: self-rating of hunger, mood and physical vigor, self-recording of grip-strength, muscular fatigue test, eye-hand skill, tempo, etc. Measurements were performed every 6-hours, at fixed times, during 24-hours, once a week, before (non-restricted spontaneous food intake) and for three weeks on a 220 cal. special protein diet (calcium caseinate: 55g, associated with potassium salts, water and vitamins). Findings relating to the metabolic and hormonal variables while on this diet have already been reported: (a) The diet does not alter the circadian acrophase (peak) of the variables and (b) two distinct metabolic steps occur: first a peak of gluconeogenesis and second, a phase when ketone bodies and fatty acids are used almost exclusively as source of fuel. The present findings show that so long as nitrogen remains in balance this restricted diet (a) does not change the grip strength and the muscular fatigue test; (b) does not alter the mood, the physical vigor etc. and (c) induces a statistically significant fall in "hunger" (self-rating method). We conclude that this low protein diet is compatible with non-strenuous work.

Adolescent↗
PubMed1976

[Dietary behavior during obesity].

Human alimentary behavior deals with a threefold need: energetic, hedonic and sociocultural. Among the clinical constellation offered by obese patients it could be worthwile to distinguish: 1. Some constitutional and organic obesities, pathogenesis of which does not imply an abnormality of alimentary behavior; 2. Conversely, in some other cases, psychological induced behavioral abnormalities are able to lead to an overstepping of the so called "normal" weight; 3. In other instances, the alimentary behavior reflects the elevation of the set point for weight. All these mechanisms are mutally reinforcing and could act simultaneously or successively accounting for the great variability of the individual situations. In any case environmental conditions are operating and play a pathogenic role more especially as the anatomic, physiologic and psychologic background is predisposed.

Adolescent↗
PubMed1973

[Obesity].

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Adipose Tissue↗