How to preserve one's health in the ninth lesson of morality and rule of law in the first volume of the seventh grade?

The seventh grade, the first volume, Morality and the rule of law, the ninth lesson, keeps in good health like this:

1, keep good habits, including eating habits, work and rest habits and exercise habits.

2. Quit smoking and limit alcohol, eat reasonably, don't overeat, try to stay up late or not.

3, massage can eliminate fatigue, dredge meridians, promote blood circulation, enhance immunity, and then help prevent diseases.