Today on Health & Longevity, Dr. John Westerdahl features guest, Michael A. Smith, M.D. - Physician and author of 'The Supplement Pyramid: How to Build Your Personalized Nutritional Regimen'. Dr. Michael A. Smith, also known as 'Dr. Mike', is heard on numerous syndicated national health television and radio shows and hosts Healthy Talk on www.RadioMD.com. On this program, Dr. Smith discusses nutritional supplementation and its role in health and longevity. He shares the latest scientific information on how to design a personalized nutritional regimen for optimal health.