A new study in JAMA Psychiatry highlights significant genetic overlap between ADHD and substance use disorders—including cannabis, tobacco, alcohol, and opioids—pointing to shared biological pathways involving impulsivity and executive function. The research suggests that certain substance use traits, particularly alcohol and tobacco, may have a stronger causal effect on ADHD risk than the reverse, underscoring the importance of screening for co-occurring conditions and developing integrated treatment approaches.
Read more: https://jamanetwork.com/journals/jamapsychiatry/fullarticle/2835661
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