Studies and Emerging Science:

  • Studies show that teens who smoke marijuana frequently are more likely to experience a long-term drop in their IQ.  Click HERE to read study.
  • Science confirms the adolescent brain is not fully developed until the early to mid-20s. Developing brains are especially susceptible to all of the negative effects of marijuana and other drug use.

Just the Facts

Marijuana and Adolescent Health:

  •  Significantly linked with addiction, heart and lung complications
  •  Heart begins beating more rapidly and the blood pressure drops
  •  Can cause the heart beat to increase by 20 to 50 beats per minute
  •  Impairs the body’s immune system from fighting disease
  •  Significantly linked with mental illnesses schizophrenia, psychosis, depression, and anxiety
  •  Teenagers are more vulnerable to addiction

Marijuana and the Developing Adolescent Brain:

  •  Causes hallucinations, delusions, impaired memory, disorientation
  •  IQ loss and poor school and job outcomes
  •  Directly affects the parts of the brain responsible for memory,
    learning, attention, and reaction time
  •  Negative affects on adolescent brain that regulates the planning complex cognitive behavior, personality expression, decision making and social behavior
  •  Marijuana smoke contains 50-70 percent more carcinogenic hydrocarbons than does tobacco smoke
  • Withdrawal symptoms that include irritability, anxiety, insomnia, appetite disturbance, and depression

What marijuana does to your:

  • Brain—Affects nerve cells in the brain that control emotions, memory and judgment and causes these areas to function abnormally.
  • Heart—Causes rapid heartbeat. The drug can speed the heart rate up to 160 beats per minute, increasing the risk of heart attack.
  • Liver—THC in marijuana impairs the immune system’s ability to fight off infectious diseases and cancer, including liver cancer.
  • Lungs—Smoking three joints damages your lungs as much as smoking 20 cigarettes (one pack). Marijuana contains 50 percent more tar than tobacco. Long-term heavy use of marijuana is associated with chronic lung disease and lung cancer.