So far, the volunteers have successfully been losing weight, but now the honeymoon period is over. It is the final two months of the diet, and their minds and bodies are fighting back. Dr. Chris van Tulleken and Professor Tanya Byron find out if the new personalized diets will help them stay on course, and the experts reveal the scientific secrets to permanent dieting success.

Is sexual identity biological or behavioral? Is there a "gay gene"? This ABC News report explores these questions with two families that have gay sons, both of whom were sure of their sexual identity from childhood. Opinions in the scientific community vary on this, including proponents of gay cure programs, and studies are underway to determine if people are born gay or if it is a learned behavior.

OPRAH S BOOK CLUB PICK #1 NEW YORK TIMES BESTSELLER ONE OF THE NEW YORK TIMES TOP TEN BOOKS OF THE YEAR ONE OF THE WALL STREET JOURNAL TOP TEN BOOKS OF THE YEAR PEOPLE'S #1 BEST BOOK OF THE YEAR Named a BEST BOOK OF THE YEAR by The New York Times, The Washington Post, NPR, TIME, Slate, Smithsonian, The New York Post, and Amazon The heartrending story of a midcentury American family with twelve children, six of them diagnosed with schizophrenia, that...

"Weaving his own moving family story with this sweeping history of cancer research, Lawrence Ingrassia delivers an intimate, gripping tale that sits at the intersection of memoir and medical thriller"-- Provided by publisher.

Need a good reason to get out of your easy chair and into a healthier lifestyle? Then consider the possibility that a lack of physical activity, together with other common health problems, can make you a prime candidate for a potentially life-threatening health condition called metabolic syndrome. Learn what metabolic syndrome is, find out about its causes and consequences, and determine prevention measures.