Science
Trials begin for a new weapon against Parkinson’s: light – Science Magazine
Patients report benefits, but how near-infrared protects brain cells is unclear, and some scientists are skeptical

Alan Minson says his Parkinsons symptoms improved after he started to use a light helmet in July 2019.
RON BROWN
By Gunjan SinhaSep. 17, 2020 , 12:00 PM
Light therapy can help lift moods, heal wounds, and boost the immune system. Can it improve symptoms of Parkinsons disease, too? A first-of-its-kind trial scheduled to launch this fall in France aims to find out. In seven patients, a fiber optic cable implanted in their brain will deliver pulses of near-infrared (NIR) light directly to the s…
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