There are many ways to be healthy. One of those is to eat a balanced diet, drink a lot of water, exercise, and a lot of sleep.
Additional Info also are:

1. Stay Positive.
Being positive not only makes us feel good but it can also makes our hormones have happy hormones enabling us to be stress-free and wrinkle-free. That's why even if bad times might happen, look at the bright side of it and learn to make it a good lesson for you.

2. Proper Sanitation
- Remember to always keep your hands and any other important parts of the body clean always to avoid dust particles and bacteria in entering them that might lead to complications later! So don't forget to wash your hands before and after meals, in preparing foods and in after going to comfort rooms especially in public C.R's ! BRush your teeth at least thrice a day too!