Women smoke in a Moscow bar in May. Tough new anti-smoking rules took effect Sunday in Russia, banning smoking in bars, restaurants and other public spaces. Alexander Utkin/AFP/Getty Images hide caption

itoggle caption Alexander Utkin/AFP/Getty Images

Electronic cigarettes are actually battery operated devices that use a heating element to atomize a flavored liquid, typically containing nicotine, so that it can be inhaled. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

A CVS pharmacy in Orlando, Fla., is one of more than 7,600 stores where the company will stop selling tobacco products by October. John Raoux/AP hide caption

itoggle caption John Raoux/AP

Smoking can mess up your looks, according to an ad campaign aimed at keeping teens from smoking. Courtesy of U.S. Food and Drug Administration hide caption

itoggle caption Courtesy of U.S. Food and Drug Administration

Newport is the most popular menthol cigarette in the United States. Sales of menthols has increased though cigarette sales are declining overall. Paul Sakuma/Associated Press hide caption

itoggle caption Paul Sakuma/Associated Press