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Tag: Ultraviolet radiation

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The Evolutionary Link: What Is the Relationship Between Vitamin D and Folate?

4 min read
According to a long-standing theory, the “vitamin D–folate hypothesis,” ultraviolet radiation (UVR) has opposing effects on these two essential nutrients, synthesizing vitamin D while degrading folate. This dynamic interplay has led to the evolution of different skin tones as a balancing act to maintain optimal levels of both vitamin D and folate, depending on geographical latitude and sun exposure.