THE EFFECTS, RISKS AND SIDE EFFECTS OF MARIJUANA
Education & Awareness
Understanding Today’s Marijuana Products
Marijuana products available today differ significantly from those available a generation ago. Products vary widely in THC concentration, methods of consumption and potential health effects. As marijuana policy continues to evolve, access to accurate, evidence-informed information is essential for individuals, families, healthcare providers, educators and policymakers.
The research below summarizes current scientific findings on topics including brain health, mental health, athletic performance, impaired driving, pregnancy and cannabis use disorder. SafeMontana is committed to sharing trusted information from respected public health and scientific organizations to support informed decision-making.
Marijuana Risks
Marijuana use can have negative and long-term effects.
Brain Health
Regular marijuana use during adolescence has been associated with changes in attention, learning, memory and processing speed because the brain continues developing into the mid-20s.
Source: National Institute on Drug Abuse (NIDA), Cannabis DrugFacts
Mental Health
Frequent use of high-potency cannabis has been associated with an increased risk of psychosis in susceptible individuals and may worsen symptoms of certain mental health conditions.
Source: National Academies of Sciences, The Health Effects of Cannabis and Cannabinoids
Athletic Performance
Current research does not support marijuana as a performance-enhancing substance. THC may impair reaction time, coordination, balance and decision-making.
Source: U.S. Anti-Doping Agency (USADA)
Driving
Marijuana can impair reaction time, attention, coordination and judgment, increasing the risk of motor vehicle crashes.
Source: Centers for Disease Control and Prevention (CDC)
Pregnancy
The CDC recommends avoiding marijuana during pregnancy and breastfeeding because THC can reach the developing baby through the placenta and breast milk.
Source: Centers for Disease Control and Prevention (CDC)
Daily Life
According to the National Institute on Drug Abuse, approximately 30% of marijuana users may develop cannabis use disorder, with a greater risk among those who begin using during adolescence.
Source: National Institute on Drug Abuse (NIDA)
Content courtesy of Substance Abuse and Mental Health Services Administration (SAMHSA)
Resources
Learn more about the risks high-potency THC poses for Montana individuals, families and communities.
