منابع مشابه
Counting calories in Drosophila diet restriction.
The extension of life span by diet restriction in Drosophila has been argued to occur without limiting calories. Here we directly measure the calories assimilated by flies when maintained on full- and restricted-diets. We find that caloric intake is reduced on all diets that extend life span. Flies on low-yeast diet are long-lived and consume about half the calories of flies on high-yeast diets...
متن کاملCounting the calories: the role of specific nutrients in extension of life span by food restriction.
Reduction of food intake without malnourishment extends life span in many different organisms. The majority of work in this field has been performed in rodents where it has been shown that both restricting access to the entire diet and restricting individual dietary components can cause life-span extension. Thus, for insights into the mode of action of this intervention, it is of great interest...
متن کاملCounting calories in cormorants: dynamic body acceleration predicts daily energy expenditure measured in pelagic cormorants.
The integral of the dynamic component of acceleration over time has been proposed as a measure of energy expenditure in wild animals. We tested that idea by attaching accelerometers to the tails of free-ranging pelagic cormorants (Phalacrocorax pelagicus) and simultaneously estimating energy expenditure using doubly labelled water. Two different formulations of dynamic body acceleration, [vecto...
متن کاملFoods with negative calories?
The idea of "negative-calorie" food stems from the notion that the body uses more energy to chew and digest certain foods than the food itself contains, thereby creating a net deficit in caloric intake. Some foods commonly thought to have this effect include celery, cucumbers, and cold water. However, that doesn't mean that eating these foods should be substituted for your daily workout. The am...
متن کاملThe 1D1 of burning calories.
Accessible online at: www.karger.com/ofa Fax +49 761 4 52 07 14 [email protected] www.karger.com hyperglycemia and insulin resistance upon exposure to HFD [5, 6]. In their new report, Al-Hasani, Joost and colleagues [1] assessed the body weight gain of several other cross-bred populations (NZOxNZB and NZOxC57BL/6J). They observed neither a correlation of the Nob1 genotype with HFD-induced b...
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ژورنال
عنوان ژورنال: Nature
سال: 1977
ISSN: 0028-0836,1476-4687
DOI: 10.1038/265679b0