Tobacco use is the leading preventable cause of death in the United States. Regular and prolonged use of tobacco can result in nicotine addiction. Most smokers are aware of the negative impacts of tobacco usage on health, but find it difficult to quite because they have become addicted to nicotine. Of those who try to quite smoking, only 6% a month succeed.

Nicotine effects the 'reward pathway' within the brain by increasing levels of dopamine, a neurotransmitter linked with feeling pleasure. Nicotine withdrawal symptoms include irritability, craving, cognitive and attentional deficits, sleep disturbances, and increased appetite. These nicotine withdrawal symptoms can begin within a few hours after the last cigarette encouraging the nicotine addict to use tobacco again and again.

Over $75 billion (with a "b") of US health care costs are directly due to smoking. Once you add in loss in work productivity of $82 billion, the total cost of smoking to the US economy is over $150 billion annually.

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