Taking a high dose of ADHD drugs is linked to more than five times greater risk of developing psychosis or mania, according to a new study published Thursday in the American Journal of Psychiatry. The ...

Cannabis products with high concentrations of delta-9-tetrahydrocannabinol (THC) are associated with users developing cannabis use disorder (CUD) and schizophrenia, according to a new systematic ...

A large systematic review indicated a strong link between high concentration delta-9-THC and psychosis or schizophrenia. High concentration THC was also strongly associated with cannabis use disorder.

Little is known about the role in the development of psychosis played by functional brain circuits that support cognitive control. "The great strength of this and other studies that look at high-risk ...

Cannabis products containing high concentrations of delta-9-tetrahydrocannabinol (THC) -- the main psychoactive compound in marijuana -- were linked to psychosis, schizophrenia, and addiction, a ...