ABSTRACT Objective: Cannabis use is increasingly normalized; psychosis is a major adverse health outcome. We reviewed the evidence on cannabis use-related risk factors for psychosis outcomes at different stages toward recommendations for risk reduction by individuals involved in cannabis use. Methods: We searched primary databases for pertinent literature/data from 2016 onward, principally relying on reviews
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Self-reported marijuana use and cardiac arrhythmias (from the Multiethnic Study of Atherosclerosis)
Marijuana use among all age groups has been increasing, including among older adults aged ≥65 years. There is a lack of epidemiologic data examining arrhythmia risk among users of marijuana. We evaluated cross-sectional associations between current and past marijuana smoking and arrhythmias among 1485 participants from the Multiethnic Study of Atherosclerosis who underwent extended ambulatory
Stanford study links marijuana use to increased heart attack risk
A robust new study led by researchers from Stanford University has found a strong association between increased risk of heart attack and regular marijuana use. The study indicates THC can trigger inflammation in blood vessel cells and the researchers call for medical marijuana users to be aware of potential cardiovascular risks. Published in the journal
Cannabinoid receptor 1 antagonist genistein attenuates marijuana-induced vascular inflammation
Epidemiological studies reveal that marijuana increases the risk of cardiovascular disease (CVD); however, little is known about the mechanism. Δ9-tetrahydrocannabinol (Δ9-THC), the psychoactive component of marijuana, binds to cannabinoid receptor 1 (CB1/CNR1) in the vasculature and is implicated in CVD. A UK Biobank analysis found that cannabis was an risk factor for CVD. We found
Association between secondhand marijuana smoke and respiratory infections in children
Little is known about the effects of secondhand marijuana smoke on children. We aimed to determine caregiver marijuana use prevalence and evaluate any association between secondhand marijuana smoke, childhood emergency department (ED) or urgent care (UC) visitation, and several tobacco-related illnesses: otitis media, viral respiratory infections (VRIs), and asthma exacerbations. Read the full article here:
Marijuana joints produce 3.5 times as much secondhand smoke as a Marlboro.
Pollution levels as fine particulate matter in the air and how long they persistent was compared with marijuana joint, the bong with its bowl, the glass pipe, electronic vaping pen, and a Marlboro cigarette inn 60 controlled experiments. Cannabis joints were the most polluting – 3.5 times that of a Marlboro. The emission rate for

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