Earlier this month, researchers at the University of Southern California published the results of an 18-year study, correlating high animal protein intake in middle-aged people to a high risk of cancer. At the same time, researchers found that high levels of animal protein are beneficial to people 65 and older.
We take an in-depth look at the high-protein diet, made popular by the Atkins and Paleo diets. Our guests: Dr. Gerard Mullin,director of Integrative Gastroenterology Nutrition Services at The Johns Hopkins Hospital, and author of "The Inside Tract: Your Good Gut Guide to Great Digestive Health," and Angela Ginn-Meadow, food and nutrition expert for the Academy of Nutrition and Dietetics.