1Eating too much sugar can lead to unhealthy teeth and gums.
2Is it true that playing video games for hours is unhealthy for children?
3The doctor told her that her lifestyle was unhealthy and she needed to exercise more.
4Try to avoid unhealthy snacks like chips and cookies, and eat more fruits and vegetables instead.
5There are many unhealthy habits that people have, such as smoking and drinking too much alcohol.