The inability to consume enough calories to meet energy requirementsis a common threat to survival. To meet this danger, animalsretard their fuel depletion by lowering their metabolic rateand changing fuel substrates. They also stimulate their feedingbehavior and defer the high energy cost of reproduction by suppressinggonadal function. We are now beginning to understand the physiologicbasis of these responses.
Historical Background
Early investigators1,2 established that after the first fewdays of starvation, free fatty acids and ketone bodies, ratherthan glucose, become the predominant fuels. The adaptive valueof this switch derives from the limited supply of . . . [Full Text of this Article]
Negative-Feedback Regulation of Body Adiposity
Neuropeptide Y
Consequences of Genetic Neuropeptide Y Deficiency
The HPA Axis during Starvation
Catabolic Hypothalamic Pathways in Energy Homeostasis
Clinical Applications
Active Weight Reduction as Compared with the Maintenance of Stable, Reduced Weight
Leptin Deficiency and Endocrine Disorders
Diabetes Mellitus
Adrenal Disorders and the Role of Glucocorticoids
Wasting Illness
Summary and Conclusions
Discussion
Source Information
From the Departments of Medicine (M.W.S.) and Psychology (R.J.S.), University of Washington, Harborview Medical Center, and Veterans Affairs Puget Sound Health Care System all in Seattle.
Address reprint requests to Dr. Schwartz at Metabolism (151), VA Puget Sound Health Care System, 1660 S. Columbian Way, Seattle, WA 98108.
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