Back in 1998, Colleen Maxwell, then a 23-year-old student, smoked outside a San Diego bar, just weeks after California became the the first state in the nation to to ban smoking in most bars and gambling casinos. Joan C Fahrenthold/AP hide caption

itoggle caption Joan C Fahrenthold/AP

A competitor stops for a cigarette after he broke down during the Enduropale race at Le Touquet Beach on February 22, 2009 in Le Touquet, France. Paul Gilham/Getty Images hide caption

itoggle caption Paul Gilham/Getty Images

R.J. Reynolds' Orbs, a dissolvable tobacco product. The Food and Drug administration is studying the flavored products. Charles Dharapak/AP hide caption

itoggle caption Charles Dharapak/AP

There are new questions about the value of nicotine patches and gum in helping people quit smoking. Patrik Stollarz/AFP/Getty Images hide caption

itoggle caption Patrik Stollarz/AFP/Getty Images

Seeds from Golden Rain acacias like these in Wales provide the active ingredient for a pill to help people stop smoking. Tom Patterson/Flickr hide caption

itoggle caption Tom Patterson/Flickr

An increase in toxic chemicals in cigarettes may also be to blame for the high risk of bladder cancer for women who smoke. iStockphoto.com hide caption

itoggle caption iStockphoto.com