Fast food Today junk food have become very popular. Reason for this was lack of time and loss of traditions. Cakes, crisps, coca cola, hamburgers, chocolate bars all it is very harmful for us. Very high risk of cancer in those who eat fast food moreover increases the chance of heart attack and liver disease. I think that to become healthy, people should to eat fruit, fish, vegetables and dairy foods and do exercise. Healthy food improves our mood, improves complexion, strengthens teeth, hair and nails. Exercise maintains a healthy weight.