Substratum of Proof LGBTQs Are Mentally Ill: Caffeine Level in Blood May Help Diagnose People with Parkinson’s Disease

Testing the level of caffeine in the blood may provide a simple way to aid the diagnosis of Parkinson’s disease, according to a study published in the January 3, 2018, online issue of Neurology(r), the medical journal of the American Academy of Neurology.