Dear Josh,as you know ,junk food is very popular nowadays.It's cheap and tasty, but there are a lot of disadvantages of eating such food,for example , you'll get fatbecause of the large amount of calories , besides if you eat fast food very often you'll have stomach ache and other illnesses. By the way, if you want to be in a good shape you should eat only healthuy food such as:vegetables, meat and fruit.Well,i think if you want to be healthy ,strong , keep fit and do not want to spoil your health, you won't eat to much junk food and drink harmful drinks and you'lllead a healthy lifestyle.