From brain chemistry to billion-unit consumption, these unbelievable junk food facts reveal how deeply fast food and snacks are woven into modern American life.

America is known for food that is fast, fun, and fried. While traditional junk foods aren’t exactly a cornerstone of a healthy diet, enjoying your favorite treats every now and again in moderation ...

When it comes to junk food, you might think nutritionists steer clear, but you'd be surprised. Many of them have a few guilty pleasures that they love just as much as the next person. The truth is, ...