Does smoking weed cause cancer?

Smoking marijuana clearly damages the human lung, and regular use leads to chronic bronchitis and can cause an immune-compromised person to be more susceptible to lung infections. No one should be exposed to secondhand marijuana smoke. read more

Marijuana smoking does cause inflammation and cell damage, and it has been associated with pre-cancerous changes in lung tissue. Marijuana has been shown to cause immune system dysfunction, which could theoretically predispose individuals to cancer. read more

“But we did not find any evidence for an increase in cancer risk for even heavy marijuana smoking.” Carcinogens are substances that cause cancer. Tashkin presented the findings today at The American Thoracic Society’s 102nd International Conference, held in San Diego. read more