–Richismita Hazra, Amity University Kolkata
From alleviating depression to healing wounds from curing sleep-disturbances to boosting immunity, light therapy finds considerable applications in the medical field. But can it relate itself to the symptoms of “shaking palsy”-Parkinson’s disease?
Neurosurgeon Alim-Louis Benabid of the Climate Institute led a team that expects light to be a weapon in protecting the substantia nigra. It is a basal ganglia structure present in the midbrain that degenerates in Parkinson’s disease. The researchers hope that light will protect the cells in this area from dying.
A fiber optic cable was embedded in the brain of seven patients that would convey pulses of near-infrared light (NIR) directly to the substantia nigra. Although minor tests in patients and animal models of the disease have given positive results but failed to convince the conventional researchers who are still dubious about the same.
Notwithstanding the fact that the exact mechanism of such protection is yet unknown, neurobiologist David Sulzer of Columbia University says that is it an intriguing therapy with potential.
Source: https://www.sciencemag.org/news/2020/09/trials-begin-new-weapon-against-parkinson-s-light
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