Why do teens need to eat more from the grains, fruits and vegetables
food group?

Because teenage years are the years of fast growth and development.

Explanation:

A healthy balanced diet is particularly important during teen years. Teenagers need extra nutritive food in order to support their bone growth, hormones, organ development and brain. The two main nutrients for teen years are calcium and

Young and healthy people have big appetites. It's suggested that young people should eat well-balanced meals, with a lot of vegetables, fruits, grains and meat which is full of protein, rather than food that's rich in salt, sugar and fat, even though this type of foods is more attractive to them. Teens should always have breakfast and skip junk food, soft sugary drinks, take away food and eating out.

By eating healthy and exercising regularly, they will lower the risk of obesity and some other conditions such as cardiovascular diseases.

answer; i believe the correct answer is (secondary prevention);