Studies have reported a wide range in lifetime prevalence of sleep paralysis (SP). This variation may stem from cultural factors, stressful life events and genetic differences in studied populations. We found that recurrent SP was more common among African-American participants, especially those with panic disorder. Recurrent SP was reported by 59% of African Americans with panic disorder, 7%...
Hyperthermia is a known effect of lysergic acid diethylamide (LSD). This is, to our knowledge, the first recorded instance of life-threatening hyperthermia (106.4 F [41.3 C] axillary) in man, following the use of LSD, and may have been dose-related. The hyperthermia was rapidly reversed by alcoholic-ice soaks, hallucinations ended about 18 hours later, and the patient recovered without obvious...