Nicotine addiction is thought to be more severe than that produced by alcohol, cocaine, heroin, and caffeine.

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Nicotine is considered to be one of the most addictive substances, with physical and psychological dependence developing rapidly. It is estimated that about 70% of individuals who smoke regularly will become addicted. While different drugs affect different people in different ways and addiction can vary depending on individual factors, nicotine is generally considered to be more addictive than alcohol, cocaine, heroin, and caffeine.

Nicotine Addiction Is Thought to Be More Severe Than That