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Cognitive Function


Sunlight Exposure Benefits Cognitive Function

Cognitive function refers to a person’s ability to process thoughts. Cognition primarily refers to things like memory, the ability to learn new information, speech, and reading comprehension. In most healthy individuals the brain is capable of learning new skills in each of these areas, especially in early childhood, and of developing personal and individual thoughts about the world.


Factors such as aging and disease may affect cognitive function over time, resulting in issues like memory loss and trouble thinking of the right words while speaking or writing.

According to an Environmental Health research study, the effect of sunlight exposure on cognitive function among depressed and non-depressed participants indicates that among the depressed participants, a dose-response relationship was found between sunlight exposure and cognitive function, with lower levels of sunlight associated with impaired cognitive status.

“We are all light deficient and this deficiency may be the source of our physical and emotional problems.”

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