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Marijuana is a mind-altering drug and is considered a hallucinogen if taken in large amounts.
Marijuana makes it hard to keep track of time and concentrate. Users have difficulty with memory and find it hard to solve problems and learn.
Marijuana raises heart rate and blood pressure. Some people get red eyes or dry mouths or become sleepy or very hungry. The drug can also make some people paranoid (like someone is out to hurt them or is plotting against them). It can also sometimes cause hallucinations.
Marijuana is as tough on the lungs as cigarettes — steady users suffer coughs, wheezing, frequent colds, and respiratory (airway and lung) infections, like bronchitis.
Sometimes blunts are filled with drugs like PCP (also called angel dust) or crack cocaine in addition to marijuana and can be very dangerous when smoked.
Reviewed by: Mary L. Gavin, MD
Date reviewed: June 2010
Originally reviewed by: Ryan L. Redman, MD
Note: All information is for educational purposes only. For specific medical advice, diagnoses and treatment, consult your doctor.
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