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Cannabis smoke was listed as a cancer agent in California in 2009. [31] A study by the British Lung Foundation published in 2012 identifies cannabis smoke as a carcinogen and also finds awareness of the danger is low compared with the high awareness of the dangers of smoking tobacco particularly among younger users. Other observations include ...
A 2013 literature review said that exposure to cannabis was "associated with diseases of the liver (particularly with co-existing hepatitis C), lungs, heart, and vasculature". The authors cautioned that "evidence is needed, and further research should be considered, to prove causal associations of marijuana with many physical health conditions ...
Cannabis has a longstanding reputation for helping people relax, but recent research has found it can have a negative impact on mental health. For that reason, it's understandable to have questions.
Cannabis is a known risk factor for developing psychosis that can progress to schizophrenia but this is the first time researchers have found brain-level changes in an at-risk population in real time.
Cannabis users have shown decreased reactivity to dopamine, suggesting a possible link to a dampening of the reward system of the brain and an increase in negative emotion and addiction severity. [11] Cannabis users can develop tolerance to the effects of THC. Tolerance to the behavioral and psychological effects of THC has been demonstrated in ...
While cannabis is generally considered a calming drug, a recent study found heavy use could have the opposite effect — potentially worsening anxiety and associated disorders.
[2] [5] Diagnosis is based on the symptoms; a history of cannabis use, especially persistent, frequent use of high-dose cannabis products; and ruling out other possible causes of hyperemesis. [6] The condition is typically present for some time before the diagnosis is made. [6] The only known curative treatment for CHS is to stop using cannabis.
A new scientific statement from the American Heart Association is shedding light on the potential dangers of marijuana use for those with cardiac issues.