James Pickens Jr., who plays Dr. Richard Webber on "Grey's Anatomy,” talked about the importance of prostate cancer screenings — particularly for Black men — in a PSA, saying, "I'm living proof that early detection works." According to the CDC, "Black men are more likely to get prostate cancer than men who are members of other racial or ethnic groups" and "are more than twice as likely to die from prostate cancer than other men." ABC News medical correspondent Dr. Darien Sutton breaks down what