Smoking weed may reduce pain and induce euphoria. However, long-term use may increase the risk of mental health conditions and development problems.

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

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

Ayahuasca is known for its powerful effects - but what’s actually happening inside the brain when someone takes it? In this video, we explore the science behind this ancient Amazonian brew, from how ...