Marijuana is the most commonly used federally illegal drug in the U.S., but medical professionals warn of its long-term effects on the mind and body, including increased risks of heart attack, stroke, mental illness, addiction, and lung damage.
Key Points
Marijuana use carries risks to the lungs, cardiovascular system, and mental health
THC concentration in marijuana is linked to severity of effects on the brain
High THC levels linked to addiction and psychiatric illness
Uncertainty exists around the safety of different consumption methods
Cons
Increased risk of heart attack and stroke
Impact on brain development and mental health
Addiction affects 10% to 30% of users
Risk of lung tissue damage, scarring, and respiratory issues