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Regular heavy marijuana use may increase a person’s risk of developing some head and neck cancers, a study published Thursday in JAMA Otolaryngology-Head & Neck Surgery found.. The study found ...
A new study found that heavy cannabis use is associated with a high risk of developing head and neck cancer. Jason Colston/Getty Images This article originally appeared on Healthline
The analysis showed that people with cannabis use disorder were about 2.5 times more likely to develop an oral cancer; nearly five times more likely to develop oropharyngeal cancer, which is ...
Among cannabis users of all ages, there may be an increased risk of developing depression, with heavy users seemingly having a higher risk. [54] Heavy marijuana use in adolescence has also been associated with deficits in cognition.
As of 2015, there is no consensus regarding whether cannabis smoking is associated with an increased risk of cancer. [111] Light and moderate use of cannabis is not believed to increase risk of lung or upper airway cancer. Evidence for causing these cancers is mixed concerning heavy, long-term use.
The observed effects on memory and learning, they said, showed long-term cannabis use caused "selective memory defects", but "of a very small magnitude". [85] A study by Johns Hopkins University School of Medicine found that heavy cannabis use is associated with decrements in neurocognitive performance even after 28 days of abstinence. [86]
Preliminary research indicates that prolonged exposure to high doses of THC may interfere with chromosomal stability, which may be hereditary as a factor affecting cell instability and cancer risk. The carcinogenicity of THC in the studied populations of so-called "heavy users" remains dubious due to various confounding variables, most ...
A study of more than 6 million Danes published in JAMA Psychiatry in May found that people who have cannabis use disorder (meaning, they’re unable to stop using marijuana) had a higher risk of ...