Blue Light Exposure Decreases Systolic Blood Pressure, Arterial Stiffness, and Improves Endothelial Function in Humans

Aims: Previous studies have shown that ultraviolet light can lead to the release of nitric oxide from the skin anddecrease blood pressure. In contrast to visible light the local application of ultraviolet light bears a cancerogenic risk. Here, we investigated whether whole body exposure to visible blue light can also decrease blood pressure and increase endothelial function in healthy subjects.

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