"Too young to retire and too old to hire"

A.J. Jacobs, author of "Drop Dead Healthy: One Man's Humble Quest for Bodily Perfection," talks to Jeff Glor about a growing health movement called chewdism that encourages people to chew their food 50 times a mouthful.

A.J. Jacobs reveals his surprisingly simple secret to avoiding the common cold. Jacobs' new book is "Drop Dead Healthy: One Man's Humble Quest for Bodily Perfection."

A.J. Jacobs talks about a discovery he made writing his new book, "Drop Dead Healthy: One Man's Humble Quest for Bodily Perfection" -- sitting is the health equivalent of eating a Paula Dean donut every hour.

Jeff Glor talks to A.J. Jacobs about his new book, "Drop Dead Healthy: One Man's Humble Quest for Bodily Perfection," which follows the author trying to become the healthiest man in the world. Jacobs is the man behind the bestselling "The Year of Living Biblically," and "The Know-It-All." In researching the book, he consulted an army of health experts and took in a cartload of diets to offer the reader better habits for a well-lived life, all presented with his trademark sense of humor.

Jeff Glor talks to Peter Behrens about his new book, "The O'Briens," and how his extended family felt about turning their story into a novel.

Jeff Glor talks to Peter Behrens about his new book, "The O'Briens," and how his grandfather was the inspiration for the book - a tough guy who made a fortune in the railroad business.