Vitamin D has been a popular topic in the Covid-obsessed media lately, thanks to D’s role in immune function. Covid infections have been much more severe in countries where vitamin D levels are low. What are the possible explanations? Vitamin D can be made in skin that’s exposed to specific UV rays from sunshine. That […]
In winter our thoughts turn to vitamin D
November 30, 2018 · by ·
True facts: Winter = dark Sunshine = vitamin D Therefore Winter ≠ vitamin D. Strictly speaking, “vitamin” D is not a vitamin at all. It can be manufactured by your body when specific UVB rays (290 to 315 nanometers) of sunlight hit your skin. Those rays cause a biochemical reaction that transforms a molecule in skin […]
