Overview: Jake Nelson, Nancy Nkansha, and Officer Trevor Graff discuss .why drugged driving is a big issue today. Dr. Oz explains how to tell if your car is making you sick and how to keep it from being a bacteria trap; Dr. Philip Tierno reveals germ hot spots in your car. Dr. Oz separates fact from fiction and how to prevent stomach ulcers. Dr. Vonda Wright describes your risk for brittle bones and how to improve bone strength in your 30's, 40's, and 50's.