Researchers report chronic marijuana users show more brain activity in the mesocorticolimbic reward system when presented with cannabis cues than with natural reward cues.
A new study reports heavy marijuana users have lower dopamine release in the striatum, an area of the brain associated with memory, attention and impulsive behavior.
According to a new study, activation of the insula is reduced in young marijuana users when they face social exclusion.
Researchers have discovered a gene that could help to identify marijuana users most at risk for developing symptoms of psychosis. The study also reports female users are more susceptible to short term memory loss than males.
A new study reports people who started using marijuana before the age of 16 showed signs of arrested brain development in the prefrontal cortex. However, those who started using after the age of 16 showed the opposite effect.
A new study reviews the use of medical marijuana as a potential treatment for childhood seizures.
Researchers report migraine patients treated with medical marijuana had a significant drop in the occurrence of their headaches.
A new study reports cannabidiol, a marijuana derivative, is effective at reducing seizure frequency in children and adults with treatment resistant epilepsy.
A new study reports on an inverse relationship of smaller hippocampal size yet better memory function in people who use both tobacco and marijuana.
According to a new study, the marijuana 'munchies' appear to be driven by neurons which are usually involved in suppressing hunger.
A major downside of the medical use of marijuana is the drug’s ill effects on working memory, the ability to...