To deal with a worsening mental health crisis in the U.S., the FDA is reportedly considering approving 3,4-methylenedioxymethamphetamine (MDMA) and psilocybin within the next two years, according to a letter from a Substance Abuse and Mental Health Services Administration (SAMHSA) published by The Intercept.  MDMA could be authorized as a treatment for post-traumatic stress disorder, while…