Sugar Can Be Addictive: Animal Studies Show Sugar Dependence

Scientists have demonstrated that sugar can be an addictive substance, wielding its power over the brains of lab animals in a manner similar to many drugs of abuse. Researchers found profound behavioral changes in rats that, through experimental conditions, have been trained to become dependent on high doses of sugar. Lab animals that were denied sugar for a prolonged period after learning to binge worked harder to get it when it was reintroduced to them. They consumed more sugar than they ever had before, suggesting craving and relapse behavior.

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