men's health Sun Exposure for Men in Their 30s and 40s: The Vitamin D Calculation Nobody Does, the Melanoma Risk Nobody Takes Seriously Vitamin D insufficiency affects over 40% of American men, while melanoma kills more men than women. Late May is the right moment to calibrate your sun exposure and skin protection before peak summer UV arrives.
vitamin D Vitamin D: The Blood Level That Actually Matters Your vitamin D test is likely lower than you think. Roughly 40% of American adults are deficient. The fix is cheap; the fixing isn't happening for most.