dr albert hoffman

I believe that if people would learn to use LSD’s vision-inducing
capability more wisely, under suitable conditions, in medical practice
and in conjunction with meditation, then in the future this
problem-child could become a wonderchild.
— 

Dr. Albert Hoffman (1906- ) Swiss chemist, discoverer of LSD

Food for thought.  I hear Joe Rogan, Amber Lyon, and others talk about the benefits of hallucinations.