- There have been no reported cases of lung cancer or emphysema specifically attributed to marijuana.
- Patients receiving cannabinoids (smoked marijuana and marijuana pills) have an improved immune function compared with those receiving a placebo.
- Marijuana is effective at relieving nausea and vomiting, especially caused by chemotherapy used to treat cancer.
- Marijuana reportedly helps treat appetite loss associated with HIV/AIDS and certain types of cancers.
- Marijuana is said to relieve certain types of pain.
- Marijuana contains more than 450 different chemicals.
- A marijuana cigarette can contain four times the amount of tar than a tobacco cigarette.
- The side-effects include dysphoria (changed perceptions), tachycardia (heart arrhythmia), and motor
- The short-term effects of marijuana can include problems with memory and learning; distorted perception; difficulty in thinking and problem solving; loss of co-ordination and increased heart rate. The long-term effects are unknown.
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