Danger rating: 2
Potential side effects: Cancer

Oui, that's right. French fries are a danger to one's health. And not just because these deep-fried slivers of carb-y goodness are, well, deep-fried slivers of carb-y goodness, but because the FDA has discovered a carcinogen called acrylamide in America's favorite guilty pleasure.

In 2002, it was found that this chemical caused cancer in fry chompin' rat. Over the last decade, it was discovered that the crispier the fry, the more likely it is to cause cancer. That's fine for those that like their potato nuggets as bland and soggy as their personality. But for the crispy-lovers among us, it's devastating news.