My two secrets to staying healthy: wash your hands all the time. And if you can't use Purell or one of the sanitizers. And the other is hot peppers. I eat a lot of hot peppers. I for some reason started doing that in 1992 and I swear by it.
How many women have the courage to start properly with a cold cold bath early in the morning? I jump in throw the water cold as ice and after the first plunge I am happy.