For YOUNGER NEXT YEAR...Live Strong, Fit, Sexy and Smart—Until You’re 80 and Beyond, the 15th Anniversary of the original book includes updated research on keeping your brain young. Our guest is contributor and Harvard trained Brain Surgeon, Dr. Allan J. Hamilton, discussing how exercise benefits our brain, how we are hardwired to be social, and how to give a proper send off to our french fries. More at youngernextyear.com