From Live Science:
A study of rats finds they show all the signs of addiction to sugar. The finding could help better understand eating disorders in humans.
Professor Bart Hoebel and his team in the Department of Psychology and the Princeton Neuroscience Institute have been studying signs of sugar addiction in rats for years. They had previously demonstrated a behavioral pattern of increased intake and then showed signs of withdrawal.
New experiments captured craving and relapse to complete the picture.
"If bingeing on sugar is really a form of addiction, there should be long-lasting effects in the brains of sugar addicts," Hoebel said. "Craving and relapse are critical components of addiction, and we have been able to demonstrate these behaviors in sugar-bingeing rats in a number of ways."
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