Vaping at a young age may act as a gateway to smoking, review suggests LSHTM vaping New River Valley Community Services As National Sales of E Cigarettes Climb, Report Shows that State Restrictions on Flavored Products Are Critical to Protect Young People CDC Foundation CDC's New Anti Smoking Ads Targets E Cigarettes Health Effects of Vaping Smoking and Tobacco Use CDC Population Based Disease Odds for E Cigarettes and Dual Use versus Cigarettes NEJM Evidence