Flickering light eliminates brain inflammation in Alzheimer's

A light pulse of a certain frequency activates immune mechanisms and mobilizes the brain to fight Alzheimer's disease - this is the conclusion of scientists from the Georgia Tech University (USA). Manipulating your own immune system and changing the brain's biochemistry using physical factors is a new field in neuroscience that allows you to achieve results without the side effects of medications. 

Experts have found that exposure to flickering light with a frequency of 40 Hz stimulates the formation of special compounds called cytokines. Which, in turn, activates the work of microglia cells – the brain's own immune system. 40 Hz is the frequency of soft brain waves that help keep neurons healthy. In Alzheimer's disease, the frequency is disturbed, and exposure to flickering light helps restore it, which favorably affects the biochemical processes in the brain.

A similar effect was found in the brain of people engaged in sound meditation with chanting mantras, singing bowls, etc. For the brain to "tune in" to the waves, the duration of the session should be at least an hour. 

At the same time, it was found that flickering light with a frequency of 20 Hz, on the contrary, blocks the release of cytokines and inhibits the work of the brain's immune system. This effect can be used, for example, in the treatment of autoimmune diseases. However, given the pronounced effects that the effect of the flickering light of different frequencies has on the brain, scientists advise refraining from using the technique independently by patients. They emphasize that the frequency must be carefully calibrated, otherwise the effect may be the exact opposite of what is expected. This technique has proven its effectiveness in laboratory animals and humans, and large-scale research is currently being planned to study it.

Feb. 4, 2020, 10:06 a.m.

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