Cannabis does not just affect logic and memory; it also influences emotion. The amygdala, which regulates fear and threat ...

The program, called Shifting Gears, teaches teens how marijuana affects the body and mind and how it impacts the ability to drive safely.

It's estimated that nearly 30% of people who try cannabis will go on to develop a substance use disorder associated with it.

As more people explore marijuana for medical use, Stanford Medicine scientists warn that older adults should be particularly ...

Researchers have found genes linked to cannabis use and addiction. The discovery shows how biology influences behavior and ...

Playing certain brain-training games may boost production of a neurotransmitter responsible for attention and focus, ...

The study builds on growing genetic research into cannabis use, as policymakers grapple with the risks and benefits of the drug’s soaring popularity.

Scientists are finding microplastics in human brain tissue. Learn what that means for mental and neurological health, and ...

Researchers estimate that 30% of cannabis users will develop an addiction called cannabis use disorder. Here's how to ...

There is evidence that the CBD compound in cannabis may help treat some anxiety disorders, though research is limited.