Sunlight: Time for a Rethink?
Journal of Investigative Dermatology
Open Access
Clinical Summary
View sourceWhat was studied
A narrative overview of sunlight’s health effects, noting that UK and Swedish epidemiology links sun exposure with lower all-cause, cardiovascular, and cancer mortality, and contrasting vitamin D biology/supplementation with vitamin D–independent mechanisms like nitric oxide release.
Clinical implications
When counseling on sun exposure, weigh UVR’s carcinogenic risk against potential systemic benefits; vitamin D pills may not substitute for sunlight’s effects, which may include vitamin D–independent pathways such as nitric oxide mobilization.
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