Junk food turns rats into addicts
Bacon, cheesecake and Ho Hos alter pleasure centers in rats' brains
By Laura Sanders, 06:15 AM October 21, 2009
CHICAGO — Junk food elicits addictive behavior in rats similar to the behaviors of rats addicted to heroin, a new study finds. Pleasure centers in the brains of rats addicted to high-fat, high-calorie diets became less responsive as the binging wore on, making the rats consume more and more food. The results, presented October 20 at the Society for Neuroscience’s annual meeting, may help explain the changes in the brain that lead people to overeat.
“This is the most complete evidence to dat...
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