What Are the 15 Worst Fast Food Items?

15. Taco Bell Volcano Nachos - 980 Calories 1 of 16

We all know fast food is bad for us. But I don't think many of us realize just how bad it is. Click through this gallery for 15 of the worst possible fast-food choices you could make. And trust me, number 1 will surprise you.

The first bad fast-food chioce hails from none other than Taco Bell. These tortilla chips have been flooded with nacho cheese, beef, refried beans, and optional lava sauce, a mayo-based condiment unique to The Bell. Chow down on these babies at nearly 1,000 calories, plus 200 extra if you opt for the lava sauce.