The Promises and Perils of Psychedelic Health Care. Psychedelic and Hallucinogenic Drugs, LSD (Lysergic Acid Diethylamide), Anxiety and Stress, Mental Health and Disorders, Ketamine (Drug), Ecstasy (Drug), Clinical Trials, Alternative and Complementary Medicine, Depression (Mental), Serotonin (Chemical), Psychiatry and Psychiatrists, Brain