Read More:
High Childhood IQ Linked to Subsequent Illicit Drug Use, Research Suggests
"A high childhood IQ may be linked to subsequent illegal drug use, particularly among women, new research suggests."

Smart Women Smoke More Weed - It's Science!
"A new study supports what that kid slouching in the back of math class with the black clothes and the copy of Das Kapital always claimed: smart people are more likely to do drugs."

Study: Intelligence, cognition unaffected by heavy marijuana use
"The new study of cognitive changes caused by heavy marijuana use has found no lasting effects 28 days after quitting."

Hyper-priming in cannabis users: a naturalistic study of the effects of cannabis on semantic memory function
"Psychotic symptoms have theoretically been linked to semantic memory impairments in patients with schizophrenia."

Does Marijuana Make You Stupid?
Marijuana is currently regulated by the United States government as a Schedule I drug, placing it in the same category as heroin, MDMA and LSD."

Pot-smoking students better at school than 'marginalized' tobacco-smoking peers
"Students who only smoke marijuana do better at school than classmates who smoke just tobacco, or who smoke both tobacco and pot, says a new study, which tracked substance use among teens over 30 years."

Cannabis Use and Cognitive Function: 8-Year Trajectory in a Young Adult Cohort

Neuropsychological Performance in Long-term Cannabis Users
"Although cannabis is the most widely used illicit drug in the United States, its long-term cognitive effects remain inadequately studied."

Intelligence Across Childhood in Relation to Illegal Drug Use in Adulthood: 1970 British Cohort Study
"Recent reports have linked high childhood IQ scores with excess alcohol intake and alcohol dependency in adult life, but the relationship with illegal drug use in later life is relatively unknown."

Intelligence in early adulthood and mortality from natural and unnatural causes in middle-aged Danish men
"High intelligence early in life has consistently been associated with decreased mortality, but the mechanisms are still not fully understood. In this cohort study, we examined the association between intelligence in early adulthood and later mortality from natural and unnatural causes taking birth weight, parental socioeconomic position, participants' own education and body mass index into account."

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