Continuous exposure to marijuana fumes causes permanent health issues
the verdict
SUPPORTED
the evidence backs this
confidence 94/100
Multiple studies demonstrate that continuous or regular exposure to cannabis is linked to lasting adverse health outcomes, including mental health disorders, cognitive and brain structural changes, and chronic respiratory issues.
Evidence for · 7
Association of Cannabis Use in Adolescence and Risk of Depression, Anxiety, and Suicidality in Young Adulthood
2019 · cited by 906
Adolescent cannabis use is associated with an increased long-term risk of developing depression and suicidality in young adulthood.
See more details
More for · 6
Effects of Cannabis Use on Human Behavior, Including Cognition, Motivation, and Psychosis: A Review
2016 · cited by 868
Cannabis use affects brain development and mental function with lasting health implications.
The contribution of cannabis use to variation in the incidence of psychotic disorder across Europe (EU-GEI): a multicentre case-control study
2019 · cited by 860
Daily cannabis use, especially of high-potency varieties, increases the long-term odds of psychotic disorders.
US Epidemiology of Cannabis Use and Associated Problems
2017 · cited by 582
Long-term cannabis use is associated with problems such as cannabis use disorders, psychiatric comorbidity, and cognitive impairment.
Psychiatric effects of cannabis
2001 · cited by 474
Regular cannabis consumption increases the risk of dependence and exacerbates symptoms in individuals with pre-existing psychiatric disorders.
Long-Term Effects of Cannabis on Brain Structure
2014 · cited by 353
Regular cannabis use is associated with gray matter volume reductions in brain regions rich in cannabinoid receptors.
Cannabis use and its impact on respiratory physiology and lung cancer risk: Mechanistic and epidemiological insights (Review).
2025 · cited by 1
Chronic cannabis smoking causes persistent respiratory symptoms resembling chronic bronchitis and impairs immune function in the lungs.