If you implement these few instructions in your life then you will be fit and healthy:
1. Have Breakfast
2. Drink Plenty of Water
3. Take an Exercise Break
4. Go Offline and sleep on time
5. Learn Something New(New skills help keep your brain healthy)
6. Don't Smoke
7. Train Your Muscles
Op tried for the list, the major thing that keep body healthy and also maintain health status is balance diet and exercise,emphasising on smoking" smoking is not really bad in health it base on the environment you find yourself because some environments needs smoking to activate body system such as snow weather,so such environment needs hot drink or smoking in order to survive.