S1: Welcome in San Diego. It's Jade Hindman. On today's show , it is Cancer Prevention Month , and doctors are spreading the word about how to be more proactive with your health. And this is KPBS ...

We usually know when we've missed a crucial window to prevent a problem or seize an opportunity. Sadly, it’s too late. The standard regret—that we should've been more proactive—offers a valuable but ...