Stress management

Biologist Robert Sapolsky. He's one of the first researchers to chart the effects of chronic stress on the brain in the animal kingdom and in humans. He adds a touch of humor to his findings, as well. His new book is called "Why Zebras Don't Get Ulcers: An Updated Guide to Stress, Stress-Related Diseases, and Coping." (W.H. Freeman and Co.) It's a revised version of his 1994 publication.

Why Zebras Don't Get Ulcers. We feature an interview with biologist Robert Sapolsky about the effects of stress on humans and animals. Sapolsky is one of the first researchers to chart the effects of chronic stress, digestive problems and loss of libido, to name just a few. (Rebroadcast from 08/17/98)

Laura Dern is Amy Jellicoe, a health and beauty executive who returns from a post-meltdown retreat to pick up the pieces of her broken life in the HBO series Enlightened. Series creator Mike White talks about the tone of the show, and whether it's possible for people to really change.