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Titolo:
Control of food intake in the obese
Autore:
Blundell, JE; Gillett, A;
Indirizzi:
Univ Leeds, Dept Psychobiol, Leeds LS2 9JT, W Yorkshire, England Univ Leeds Leeds W Yorkshire England LS2 9JT S2 9JT, W Yorkshire, England Kissileff Lab, Dept Psychol, Liverpool, Merseyside, England Kissileff LabLiverpool Merseyside England iverpool, Merseyside, England
Titolo Testata:
OBESITY RESEARCH
, volume: 9, anno: 2001, supplemento:, 4
pagine: 263S - 270S
SICI:
1071-7323(200111)9:<263S:COFIIT>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
CIRCULATING LEPTIN CONCENTRATIONS; HIGH-FAT DIETS; WEIGHT-GAIN; ENERGY-EXPENDITURE; PHYSICAL-ACTIVITY; EATING BEHAVIOR; PLASMA LEPTIN; BODY-WEIGHT; FOLLOW-UP; APPETITE;
Keywords:
food intake; appetite; eating; weight regulation; hunger;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
44
Recensione:
Indirizzi per estratti:
Indirizzo: Blundell, JE Univ Leeds, Dept Psychobiol, Leeds LS2 9JT, W Yorkshire, England Univ Leeds Leeds W Yorkshire England LS2 9JT kshire, England
Citazione:
J.E. Blundell e A. Gillett, "Control of food intake in the obese", OBES RES, 9, 2001, pp. 263S-270S

Abstract

Food intake (eating) is a form of behavior that is subject to conscious control. In practice, many obese and weight-gaining individuals claim that their eating is out of (their) control. Mechanistic models describe the interplay of biological and environmental forces that control food intake. However, because human food intake is characterized by individuals intervening to adjust their own patterns of behavior, food intake should reflect interactions among biology, environment, and attempted self-imposed control of behavior. In general, humans display a system of weight regulation that is asymmetrical-a reduction in body weight is strongly defended but weight gain is not. The body seems to tolerate a positive energy balance. There is no mechanism that can detect a positive energy balance per se or that can implement a sufficiently strong correction to behavior to maintain body weight inan environment that promotes consumption. The evolutionary process has favored biological traits associated with preferences for high energy density (sweet and/or fatty) energy-yielding foods. The control of food intake in obese or weight-gaining individuals may display various risk factors that favor an increase in energy. These include the preference for high energy-dense over low energy-dense foods, weal, postprandial inhibitory signaling, strong hunger traits associated with low leptin levels after weight loss, andthe consumption of fatty foods. In addition, many individuals (up to 47% of some samples) display binge eating patterns, whereas similar to 16% show either night eating or nocturnal eating. Because energy expenditure is onlyloosely coupled to energy intake, sedentariness does not down-regulate food intake.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/01/20 alle ore 03:28:35