can smoking one cigarette a day hurt you Smoking: Effects, Risks, Diseases, Quitting & Solutions How Smoking and Nicotine Damage

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More than 16 million Americans have one or more diseases caused by smoking, responsible for $170 billion in direct medical costs that CDC officials say would be saved if we could prevent youth from starting to smoke and help every person who smokes to quit. Secondhand smoke is believed to contribute to more than 40,000 deaths among nonsmoking adults and 400 infant deaths each year, per the CDC

Witnessing your body's improved ability to repair itself can be an incredibly powerful motivator to remain smoke-free

Conflict of interest statement The authors state that there are no conflicts of interest