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Genes may make some people more motivated to eat, perhaps overeat
Date:10/14/2007

esult, require more food to reach a certain state of reward or reinforcement that might be reached quicker, after less consumption, by those with a different genotype.

Findings such as these can help obesity experts to pinpoint people at greater risk for obesity and to develop treatments tailored to specific risk factors. Behavior and biology interact and influence each other, says Epstein. The genotype does not cause obesity; it is one of many factors that may contribute to it. I think the factors that make up eating behavior are in part genetic and in part learning history.

He and his colleagues speculate that, as with other public-health campaigns, it may be better to focus behavior change efforts on those at high risk. A strategy for someone who is high in food reinforcement would be very different from the strategy for someone who is low in food reinforcement but higher in activity reinforcement, they wrote. Using overweight men, the group has already found that chemically manipulating dopamine levels alters eating behavior, a finding highly suggestive for pharmaceutical intervention.


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Contact: Pam Willenz
public.affairs@apa.org
202-336-5700
American Psychological Association
Source:Eurekalert

Page: 1 2 3

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