really clearly certainly
Junk food is bad for health ,  [MASK]  for children .It is the cause of over-weight heart diseases and many other health  problems  .When children start eating lots of junk food ,they will not have enough milk and healthy fruit juice .This can cause a lack of calcium in their body .But it's OK to have junk food  sometimes  .it depends on your weight ,age and activities .If you are over-weight and want to lose weight ,you should eat as little junk food  as possible  .