Dietary intake and physical activity as "predictors" of weight gain in observational, prospective studies of adults
Article Abstract:
Diet changes and increased physical activity may not consistently produce desired weight loss among adults, according to an analysis of several studies. Results varied with respect to total caloric intake, certain foods, fat content, and physical activity. There were also differences in weight changes between men and women. Research efforts should be fine-tuned towards longer observation periods, more accurate reporting of life style habits, and better monitoring of diet and exercise.
Publication Name: Nutrition Reviews
Subject: Food/cooking/nutrition
ISSN: 0029-6643
Year: 1996
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Physical activity levels from a meta-analysis of doubly labeled water studies for validating energy intake as measured by dietary assessment
Article Abstract:
Serious underreporting may limit the usefulness of current dietary surveys. Improbably low amounts of energy intake by athletes and obese women and adolescents characterize many reports, undermining their validity. More dependable data require a standard cut-off point of energy intake, such as 1.55 multiplied with the basal metabolic rate. Also taken into account must be the average level of physical activity, age, weight, and height factors.
Publication Name: Nutrition Reviews
Subject: Food/cooking/nutrition
ISSN: 0029-6643
Year: 1996
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Is cholecystokinin the peptide that controls fat intake?
Article Abstract:
The hormone cholecystokinin (CCK), which inhibits food intake in animals and humans, is located in the gastrointestinal tract of numerous species and is released by the action of infused lipids, proteins, carbohydrates and alcohol. The mechanism of inhibition takes place either by the action of CCK at peripheral sites regulated by CCK (A-) type receptors, or by the action at control nervous system sites regulated by CCK (B-) type receptors.
Publication Name: Nutrition Reviews
Subject: Food/cooking/nutrition
ISSN: 0029-6643
Year: 1993
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