==== 2024-04-26 ==== Notes from https://www.wsj.com/health/parkinsons-disease-can-now-be-detected-through-the-skin-5f9341e7?&mod=wknd_pos1 - Parkinson’s Disease Can Now Be Detected Through the Skin * People with Parkinson’s disease have an abnormal protein called alpha-synuclein in their nerves. * A medical technology company called CND Life Sciences developed a skin biopsy that can detect this protein. * The test involves taking skin samples near ankle, knee, shoulder. * It costs {\$1,500: insurance, \$995: patient} \\ * Parkinson's disease * Doctors normally diagnose it by symptoms * But symptoms take years to appear * It is the second-most common age-related neurodegenerative condition * It is a major driver of disability, dementia and death. * A sleep behavior disorder is a precursor to Parkinson’s * It is a progressive disorder where brain cells are lost over time * Parkinson’s occurs when cells deep in the brain that produce dopamine, which coordinates movement, become impaired or die. * Symptoms include tremors, stiffness, slow movements and problems with balance. * Patients also have non-motor complications such as depression, sleep disorders and pain. * It usually occurs in older people, more often men. * There is no cure, but drugs and other treatments help relieve symptoms. * Dr. Jason Crowell, a movement-disorders neurologist in Louisville, Ky. * CND Life Sciences, a medical technology company in Scottsdale, Ariz. * Dr. Joseph Jankovic, professor of neurology at Baylor College of Medicine in Houston * dementia with Lewy bodies * prognoses * Dr. Christopher Gibbons, a neurologist at Beth Israel Deaconess Medical Center in Boston * Dr. Todd Levine, chief medical officer of CND Life Sciences