Dr. Dean Ornish says your genes are not your fate and in a short 3 minute excerpt of his presentation shows how you can influence your genes and your ability to fight off disease and aging:
Dr Ornish also explained the impact on America’s killer diet, as well as it impact on chronic diseases like heart disease and obesity. Dr. Ornish did research that showed that changes in life style were effective in dealing with these diseases, perhaps even more than medication or surgery. His TED bio page and links to other presentations. He founded the Preventive Medicine Research Institute (PMRI) and has published several books about his research. He was talking about yoga and meditation as health boosts back in the late 80s before it gained a foothold in the American mainstream.