that brings 60,000 cosmetologists to a convention every year. and they've challenged african-american women to take better care of their health by getting hair cells that are conducive to exercise. >> as i interview women and go around and talk to them your hair style is lovely, but are you going to work out. many times, no, i'm not. these cosmetologists know exactly how to keep you looking beautiful and gorgeous and also be able to work out on a regular basis. >> the doctor is creating a substantive conversation about health in america, as a physician focusing the nation's attention on helping individuals succeed in getting healthy, staying fit and living their best lives free, a preventible chronic illness. >> what i have experienced, all of my life, is the experience of preventible misery and suffering. and people who are dying too soon who didn't need to and who are screaming out in pain when they don't have to. >> very true. and the doctor is issuing a challenge to all americans,