As marijuana use increases, so does the risk of adverse consequences, including abuse and dependence.
Despite some promising trials, research continues to be hindered by laws that limit access to marijuana.
Two news studies document various effects of marijuana use on the brain, but many questions remain.
Researchers observed a dose-dependent reduction in pain in patients with diabetic peripheral neuropathy.
A review found low quality evidence for the use of medical marijuana to treat sleep disorders, Tourette syndrome, and others.
The guidance issued by ACOG notes that evidence shows marijuana use can affect fetal brain development.
Medical marijuana users still use more alcohol and drugs than the general population, but adding prescription pain meds does not increase this risk.