What if it would exist a vitamin H?

Being in good health helps us to be happy. But, is the opposite  true? In other words, does being happy have a direct affect on health? Every day there are more and more carefully planned scientific studies which show the positive impact of a lasting and deep-rooted happiness on improving health, fewer cardiovascular diseases and, even, a longer life free of diseases.

Happiness is on the surface, something insignificant but it is actually vital for a healthy life, just like any vitamin.