A medical program seeks a million people to improve the health of diverse ethnic groups. How Valley residents can help.

Hugo Campos passed out 20 years ago while running to catch a train in the Bay Area. He was 37 at the time, and neither he nor his doctors understood what happened. 

Campos waited three years before doctors could properly identify and begin to treat his condition. They eventually diagnosed him with hypertrophic cardiomyopathy, or HCM, a genetic heart condition that can cause sudden death.