Andrew Huberman· PhD
Exposure to red light early in the day, and it does have to be early in the day, allowed those cells to replenish the mechanisms by which they create ATP.
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
Exposure to red light early in the day, and it does have to be early in the day, allowed those cells to replenish the mechanisms by which they create ATP.
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What they discovered is that just brief exposures to red light early in the day can offset much of the vision loss that occurs in people 40 years or older.
When these people who are 40 years or older viewed red light on a consistent basis early in the day, and it did have to be early in the day, there was a real circadian effect there, there was a offset of some of the vision loss that would normally occur in a particular wavelength of light range that resulted in better visual acuity overall.
Basically what they found was, for people 40 years or older, if they viewed this red light at a distance of about a foot and a half, although I wouldn't get too specific with this, for a few minutes each week total, they were able to offset some of the vision loss within a particular domain of vision.
exploring how exposure to red light early in the day can offset some of the vision loss related to age-related macular degeneration, or simply age-related visual decline.