Description:ET sat down with Dr. Eric Braverman, author of Younger Brain, Sharper Mind, to discuss the shocking photos that have recently appeared on the internet of 31-year-old child star Macaulay Culkin. More Shocking Photos of Macaulay Culkin "This looks like a very old person at 31, who looks like he hasn’t slept, looks like may not be eating well. [He] looks like he lost a muscle mass, and collagen in his face, so his face looks older. [He] doesn’t have the sharp look of the eyes.(3:07)