أخبار — vitamin D skin

Vitamin D and Skin Health Guide Qatar 2026: The Paradox of Sun Avoidance Qatar presents a fascinating paradox: one of the sunniest countries in the world, yet Vitamin D deficiency is extremely common — affecting approximately 70–80% of Qatar's population. This happens because Qatar residents must avoid the sun for skin protection, leading to insufficient UV-B exposure for vitamin D synthesis. This guide explains the vitamin D-skin connection and how to manage it in Qatar's context. Vitamin D and Skin: The Connection How Skin Makes Vitamin D When UV-B radiation (wavelength 290–315nm) penetrates the skin, it converts 7-dehydrocholesterol (present in...