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New study on marijuana's effects
New research questions medical marijuana’s impact
Marijuana: Heavy Users Risk Changes to Brain
New marijuana study | ABCNL
How Marijuana Affects the Adolescent Brain: New University of Maryland School of Medicine Research
New study reveals impact of smoking marijuana on the lungs
Does marijuana hurt or help your brain? Scientists rush to study the drug's impact | Marijuana
New study points to marijuana's effects on the adolescent brain
Nationwide Children’s studies effect of marijuana during pregnancy
Study: Smoking Marijuana Bad For Heart
New report finds benefits and risks of marijuana
Long-term marijuana use can lead to brain damage, study shows
