A person with naturally occurring synesthesia experiences the sensory world in overlapping layers. Sounds are seen as colors and tastes are processed as sounds. Overall, there are 60 documented forms ...

A new meta-analysis suggests LSD has a small but significant positive effect on substance use disorders. The review found ...

LSD is an extremely potent, long-lasting psychedelic drug: A dose of just 100 micrograms is enough to send someone on a hallucinatory trip that can last a whole day. Now, scientists report that the ...