Pot-smokers, beware: You may want to avoid dieting before that next company drug test. New research shows that even if a person hasn’t smoked marijuana in months, he or she could still test positive for the drug after dieting or beginning a heavy exercise ritual. In a recent study using rats, Australian scientists found that extreme stress or major dieting can result in a positive drug test, even if the tester hasn’t smoked pot in weeks. Fat cells love the psychoactive ingredient, Tetrahydrocannabinol (THC), found in pot, and they absorb it—and hold onto it—extremely well. Even long after a person stops smoking up, his body undergoes changes as a result of exercising or shedding pounds, and these changes can cause THC to be released into the blood stream once those fat cells start to break down. New Scientist reports:
Jonathon Arnold and colleague Iain McGregor first exposed THC-laden fat cells ...
