Bill Clinton

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It used to be that vegans were thought of as crazy, cow-hugging hippies. But these days, more and more people are opting for a meat and dairy free diet. And even more celebs are jumping on the bandwagon, too.

Bill Clinton was the latest to announce his transition to veganism, saying that a vegan regimen will help to reverse the heart and blood vessel damage caused by cardiovascular disease.

"It's turning a ship around before it hits the iceberg, but I think we're beginning to turn it around," Clinton told CNN's Dr. Sanjay Gupta. While going vegan definitely has its health benefits, if not done right, it can be just as unhealthy. A lot of inexperienced vegans try to fill the meat void with junk food like potato chips. But done right, becoming vegan is actually a much healthier option.