Download the latest version of i-tunes onto your computer (go
to apple.com to download a free copy).
- Click on "i-tunes store" on the left
- Type "Stanford University" into the search box to the
right.
- Click "see all" located to the right of "i-tunes U
collections"
- Look for "health library" (first column, 5th one down)
- Scroll to the very bottom of the list. Listen to
the podcast # 120 by Robert Sapolsky
entitled "Why Zebra Don't Get Ulcers" (53:40).