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junk food can be addictiveWe've suspected it all along -- bacon is addictive. Frosting, sausage and other high-fat, high-calorie foods have been found to affect the brains of rats who were allowed nearly unlimited access to them in much the same way that heroin or cocaine would, essentially turning them into junk food junkies willing to risk electrocution for their next fix. So, if you're going to do junk food, try to do it sparingly, like when you're really drunk at a party and weren't expecting to. (CNN)