7 myths about psychedelic drugs like LSD that are doing more harm than good

Scientists are increasingly hopeful that certain types of psychedelic drugs will one day be approved for medical purposes like treating depression and anxiety.

But what defines a psychedelic (or hallucinogen, as they are also known)? How is it different from other drugs like cocaine or alcohol? And what makes a "trip" on one psychedelic - like acid, for example - distinct from a trip on another? Read on to find out.