Why do people start losing the pigment in their hair as they grow older? Well, it might be one of those things that we don't entirely understand, though there are some new studies that offer some ideas. But that didn't stop people throughout history from trying to find ways to keep their hair from turning grey. Of course, Justin doesn't need any of these met ... Show More
Sep 22
Sawbones: Artificial Sweetener
Pretty much since the first artificial sweetener was developed, we've been concerned about their potential adverse effects. How could something 20,000 times as sweet as sugar come without a catch, and perhaps more importantly, why were so many of these sweeteners discovered becau ... Show More
36m 55s
Oct 2023
Why Gray Hair Is Coming For You
As a kid, host Aaron Scott would dress up for Halloween as an older version of himself — complete with a cane, a set of polyester britches and painted gray hair. These days, that costume is becoming a bit more of a day-to-day reality. At least, the gray hair is. So today, in hono ... Show More
10m 38s