Apport lipidique et prise de poids. Aspects quantitatifs – Un débat

摘要: From a quantitative point of view the role dietary fat in weight gain apparently seems clear, but its accountability obesity pathogenesis, for individuals or population, is not definitively established. This concern may be divided four sections. On physiopathological view, experimental data show that fats are able to increase energy density and food intake lipogenesis. an epidemiological more conflicting. An higher was associated epidemic, decrease did stopped it, suggest others lifestyle patterns including physical activity. clinical studies far from consensus, it true they focuse on familial, education genetic factors. But really excess can sensitive effect inactivity. Total intakes seem main issue. The reduction sufficient induce loss prevent gain. We must act each component balance. In insulin-resistant subjects without weight-loss does favourable cardiovascular risk. Finally total cannot considered as cause participate some conditions. Qualitative aspects, therefore fatty acids, also considered.