Vitamin D is a side effect of exposure to sunlight. Wouldn’t the more likely discerning factor be the irradiation with sunlight itself? There are thousands of

Vitamin D is a side effect of exposure to sunlight. Wouldn’t the more likely discerning factor be the irradiation with sunlight itself? There are thousands of papers on the positive effects of photobiomodulation (exposure to visible and near infrared photons): https://docs.google.com/spreadsheets/d/1ZKl5Me4XwPj4YgJCBes3VSCJjiVO4XI0tIR0rbMBj08/edit https://docs.google.com/spreadsheets/d/1ZKl5Me4XwPj4YgJCBes3...