1 Try to move as much as you can. don't continuously sit for many hours on Computer or TV instead of moving.
2 Try to drink as much water as you can. our body contains lot of water and it also need lot of more water.
3 Next you need to take proper complete Sleep. Try to sleep at least 8 hours in the night.
4 Regularly do different exercise for healthy body and good health.
5 Try to eat as much fruits as you can.
6 Try to eat more Vegetables instead of Meat and Fast food.
7 Try to stay happy, learn to smile, learn to forgive.
8 Try to spend more time in fresh air, also try to sit under Natural light of Sun for sometime.
9 Try to use less Oily and Spicy foods.
10 Quit alcohol and smoking.
11 Try to eat Salad with Food.
12 Drinking fresh Juice is also good for health.
13 try to clean your teeth twice a day. also clean tongue and teeth from inside.
14 Body Cleanness is also important for good health.