Jane Pauley talks with the author of "It Doesn't Have to Hurt" about the body's defenses against pain; and with Ed Mowery, whose decades-long experience with pain led to a revolutionary surgery and treatment.
In this web exclusive, Dr. Sanjay Gupta, a neurosurgeon and chief medical correspondent for CNN, talks with "Sunday Morning" host Jane Pauley about his new book, "It Doesn't Have to Hurt: Your Smart Guide to a Pain-Free Life." He discusses pain, which he calls "the most mysterious of all human sensations," and about the misconceptions about treating it.
