Dean Ornish — American Educator born on July 16, 1953,

Dean Michael Ornish is a physician and president and founder of the nonprofit Preventive Medicine Research Institute in Sausalito, California, as well as Clinical Professor of Medicine at the University of California, San Francisco. He is known for his promotion of what he believes to be healthy diets, particularly vegetarianism... (wikipedia)

Think about it: Heart disease and diabetes, which account for more deaths in the U.S. and worldwide than everything else combined, are completely preventable by making comprehensive lifestyle changes. Without drugs or surgery.
The need for love and intimacy is a fundamental human need, as primal as the need for food, water, and air.
There's no point in giving up something you enjoy unless you get something back that's even better, and quickly.
The need for connection and community is primal, as fundamental as the need for air, water, and food.
People who are lonely and depressed are three to 10 times more likely to get sick and die prematurely than those who have a strong sense of love and community. I don't know any other single factor that affects our health - for better and for worse - to such a strong degree.