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A collaborative study involving Baylor College of Medicine, the University of Cambridge, and the University of Exeter Medical School reveals a new gene associated with obesity and maladaptive behavior. The evidence shows that rare mutations in the gene for the serotonin 2C receptor play a role in the development of obesity and dysfunctional behaviors in …
The experiment was designed to test resistance to the phenomenon known as “incubation of craving,” meaning the longer a desired substance is denied, the harder it is to ignore signals for it. The findings suggest that exercise modulated how hard the rats were willing to work for cues associated with the pellets, reflecting how much …