Jack was a very malnourished child. One day, he had a stomachache near bedtime. His mother said his body was complaining about him. 

Jack do not have a balance diet in his daily life. Yesterday, Jack ate lots of unhealthy foods. Like, hamburger, coke, chocolate. 

Jack, come here !

Why do not you play with us ?

I connot. 

I have a stomachache.

Because of this, he also lost his energy and couldn't play with his friends.

Jack was very upset about this. Did hamburger, chocolates, jelly beans made his stomach hurt? Jack was frightened by this situation. 

When they went to the hospital, he learnt that his body was complaining about him, as his mother had said.

The doctor told him that he had an unhealthy diet and he had to watch what he ate. 

You should drink a glass of milk every day. In addition, you should eat vegatables and fruits.