It is very important to stay healthy. Firstly, you should have a balanced diet. For example, you ought to eat more vegetables, fruits and avoid eating fast food. Secondly, doing exercise regularly is also a way to stay healthy. For instance, you can play volleyball, walk or go swimming every morning. Moreover, doing exercise will help you stronger, more active and prevent a lot of diseases. Last but not least, you should take enough sleep. You'd better sleep 6 to 8 hours a day because it will boost your mind in the morning and help to refresh your body.

A research group observed that children of women who eat much chocolate during their pregnancy frequently laugh and are more active than children of other women. Women regularly eating chocolate said their children easily adapt themselves to new environments while children of other women seem to be frightened at such strange surroundings.