The one and only specific way to influence someone health in positive way is a Practice Meditation.
Explanation:
The way of practicing meditation and making others also to follow can positively influence one's own health and others also. Starting meditation at younger age helps us to gain its benefits for a very long period of time.
It can result in promotion of an incredibly happier and more alert mind. It is very essential to maintain a happy and healthier mind in this fast moving world. So this can give a way for you to be relaxed and have a peaceful mind.