What are the disease that you get from eating junk food?

Junk food is bad for you because it's not healthy. Your body uses food and liquid as fuel. Eating junk food is like putting a bad fuel into your body. It's okay to eat a little bit of junk food once in a while, but eating a lot is going to cause problems. The body has to work extra hard and junk food causes a lot of bad things. You get more tired, and gain weight, but exercising and eating other healthy stuff well be fine!