Studies Regarding the Health Benefits of UVA Exposure
Although UVB is what allows us to produce vitamin D, UVA exposure also some benefits:
Conclusion: This study found that subjects who underwent a UVA irradiation session twice a week for three weeks tested as having higher serotonin levels and lower melatonin levels compared to a control group. The UVA-irradiated group also reported feeling “significantly more balanced, less nervous, more strengthened, and more satisfied with their appearance.” So although you can’t get vitamin D from UVA, this study demonstrates that there are still health benefits of UVA exposure and bright light and that it’s not a bad idea to enjoy a balance of full-spectrum sunlight.
Health Benefits of Sun Exposure
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