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Smoking and Youth
Reviewed by Medicinsk Expert•Last updated: 2026-10-22•Substance Use Disorders

Smoking and Youth

Starting tobacco use at a young age significantly increases the difficulty of quitting and is linked to a higher likelihood of using other substances.

Health Risks and Trends

Smoking cigarettes carries many health risks for everyone, but the younger a person is when they start, the more problems it can cause. People who begin smoking before the age of 21 have the hardest time quitting. Furthermore, teens who smoke are more likely to use alcohol and illegal drugs.

Tobacco Alternatives

The problem is not limited to cigarettes. The following are not safe alternatives:

  • Spit tobacco
  • E-cigarettes
  • Cigars
  • Low-tar tobacco products
  • Additive-free tobacco products

Prevention

Young people who do not start using tobacco by age 18 will most likely never start.

Source: Centers for Disease Control and Prevention

Frequently Asked Questions

Tobacco use in youth is a strong predictor of future substance abuse. The act of smoking can serve as a gateway behavior, normalizing the use of psychoactive substances. Additionally, the social environments where teens often experiment with cigarettes frequently overlap with those involving alcohol and illegal drugs, increasing the risk of polysubstance use.
The adolescent brain is still developing, and nicotine exposure during this critical window alters neural pathways involved in reward and impulse control. This biological change creates a stronger physical and psychological dependence, making the withdrawal symptoms more severe and the likelihood of relapse significantly higher compared to adults who start smoking later in life.
No, these products are not safe alternatives. E-cigarettes still deliver nicotine, which is highly addictive and harmful to the developing brain, and often contain other toxic chemicals. Low-tar or additive-free cigarettes do not eliminate health risks, as users tend to inhale more deeply or smoke more frequently to satisfy their nicotine cravings, leading to similar or even greater exposure to harmful substances.
Yes, statistical data indicates that the vast majority of adults who smoke began using tobacco during their teenage years. If a young person has not started by age 18, the probability of them ever becoming a regular smoker drops significantly, making this period a crucial window for prevention and education.
Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.

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