منابع مشابه
Reflexions on energy balance.
Calorimetry is the basis of the science of nutrition, a statement I iirst saw as the title of a paper by the chief of the department of medicine at the Mayo Foundation (Wilder, 1959). Our science began when Lavoisier put a guinea pig into a calorimeter, measured the amount of ice melted and showed that this was quantitatively related to the amount of fixed air or carbon dioxide given off by the...
متن کاملEnergy landscape of social balance.
We model a close-knit community of friends and enemies as a fully connected network with positive and negative signs on its edges. Theories from social psychology suggest that certain sign patterns are more stable than others. This notion of social "balance" allows us to define an energy landscape for such networks. Its structure is complex: numerical experiments reveal a landscape dimpled with...
متن کاملEnergy balance and reproduction.
The physiological mechanisms that control energy balance are reciprocally linked to those that control reproduction, and together, these mechanisms optimize reproductive success under fluctuating metabolic conditions. Thus, it is difficult to understand the physiology of energy balance without understanding its link to reproductive success. The metabolic sensory stimuli, hormonal mediators and ...
متن کاملEnergy balance and cancers.
Energy balance results from the exact equilibrium between caloric intake and caloric expenditure. A caloric intake larger than caloric expenditure results in overweight, even obesity, but other determinants, like hormonal dysfunction and/or genetic traits may play a part in obesity syndrome. Obesity, and even overweight, have been recognized as risk factors for the development of cancers. Human...
متن کاملEnergy in the Balance
The peroxisome proliferator-activated receptors (PPARs) and the retinoid X receptors (RXRs) are ligand-activated transcription factors that coordinately regulate gene expression. This PPAR-RXR transcriptional complex plays a critical role in energy balance, including triglyceride metabolism, fatty acid handling and storage, and glucose homeostasis: processes whose dysregulation characterize obe...
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ژورنال
عنوان ژورنال: Annals of Agrarian Science
سال: 2016
ISSN: 1512-1887
DOI: 10.1016/j.aasci.2016.08.002