If You're a Teen (or Younger), Don't Smoke

Bill Clinton may not have inhaled (or exhaled, depending on perspective), but even one puff could have been deadly.

Alok Jha
(The Guardian, London, May 25, 2006)
"Children who smoke even a single cigarette at an early age are twice as likely to take up the habit later in life, even if they spend several subsequent years not smoking, a study has found. Scientists argue that this 'sleeper effect,' which can be triggered by periods of stress or depression, means it is important to prevent teenagers from trying cigarettes even once."