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Tufts University, Health Sciences
Obesity predisposition traced to the brain's reward system
August 12th, 2008
The tendency toward obesity is directly related to the brain system that is involved in food reward and addictive behaviors, according to a new study. Researchers at Tufts University School of Medicine (TUSM) and colleagues have demonstrated a link between a predisposition to obesity and defective dopamine signaling in the mesolimbic system in rats. Their report appears in the August 2008 issue of The FASEB Journal. The mesolimbic system is a system of neurons in the brain that secretes dopamine, a neurotransmitter or chemical messenger, which mediates emotion and pleasure. The release of the neurotransmitter dopamine in the mesolimbic system is traditionally associated...
Source: TB & Outbreaks Week (2008-08-12)
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