Do you really know? What is vitamin D?
Aug 5, 2025
Discover the fascinating history of vitamin D, first identified in 1922 by biochemist Elmer McCollum. Learn how it helps prevent rickets in children and osteoporosis in adults, while also playing a role in cancer prevention. The podcast dives into how we produce vitamin D, the impact of sunblock, and how skin color affects vitamin D synthesis. Plus, explore the relevance of vitamin D deficiency in light of the COVID-19 pandemic. It's a quick, enlightening journey into a vital nutrient!
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Vitamin D Discovery and Importance
- Vitamin D was discovered in 1922 by Elmer McCollum who identified it as a distinct nutrient preventing rickets.
- It is essential for bone health in children and adults, and also helps prevent certain cancers.
Vitamin D Deficiency Impacts Health
- Vitamin D deficiency links to hypertension, cardiovascular diseases, and might worsen COVID-19 complications.
- Over 1 billion people globally are vitamin D deficient, highlighting a major health concern.
Vitamin K Role in COVID-19
- Vitamin K may reduce COVID-19 severity by regulating blood coagulation.
- COVID-19 provokes blood clotting and lung fiber damage, which vitamin K helps mitigate by protein production.