The killer American diet that’s sweeping the planet

This talk was given at a local TEDx event, produced independently of the TED Conferences. Stop wringing your hands over AIDS, cancer and the avian flu. Cardiovascular disease kills more people than everything else combined — and it's mostly preventable.

Dr. Dean Ornish explains how changing our eating habits will save lives. Dean Ornish is a clinical professor at UCSF and founder of the Preventive Medicine Research Institute. He's a leading expert on fighting illness — particularly heart disease with dietary and lifestyle changes.