The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
he noted that the sun's action on our skin yeah it makes vitamin d which is really important but also makes nitric oxide which we know gives you a vasodilation arterial health but he also mentioned a series of other photo products complex chemicals
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the sunlight ultraviolet light and near-infrared all the visible wavelengths and invisible wavelengths of light appear to do beneficial things in the human skin so the ultraviolet wavelengths do make vitamin d they also seem to make nitric oxide and endorphins in the skin that's why it feels good to be in the sun and there's increasing evidence that infrared i think is specifically near infrared wavelengths also contribute to the production of melatonin which is a very interesting thing
You can't produce vitamin D uh naturally without sunshine. Nor can you produce, it turns out, melatonin.
We know that being in the sunlight is essential for optimal production of vitamin D, for entrainment of your circadian rhythm, for the production of nitric oxide in your skin that helps your blood vessels dilate.
when you're in sunlight like there's other things going on right that's my point like if you're outs getting sunlight you're more active and you're nitric oxide like there's like other things that you're getting from the sunlight so there's a confounder there