Calcium & Nails: Debunking the Myth

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SUMMARY

The discussion centers on the myth that calcium deficiency causes brittle nails. Participants emphasize that nails are primarily composed of keratin, a protein, rather than calcium. Research cited from CNN indicates that while calcium is essential for bone health, it does not significantly impact nail quality. The consensus is that the belief linking calcium intake to improved nail strength lacks scientific support.

PREREQUISITES
  • Understanding of nail composition, specifically keratin.
  • Basic knowledge of calcium's role in the human body.
  • Familiarity with common myths in health and nutrition.
  • Awareness of scientific research methodologies.
NEXT STEPS
  • Research the role of keratin in nail health.
  • Investigate other nutrients that affect nail strength, such as biotin and protein.
  • Explore scientific studies on the relationship between diet and nail quality.
  • Learn about common misconceptions in nutrition and their origins.
USEFUL FOR

Health enthusiasts, nutritionists, dermatologists, and individuals seeking to understand the factors affecting nail health.

Smachine
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Hi!

I have heard this many times, even from quit educated people, that lack of calcium causes brittle nails. I know that nails contain protein - keratin, not calcium. And even if the body lacked calcium resorption from bones would first happen? So I don't see how it can cause brittle nails, but I have heard it so many times and so many people have claimed that it helps. So is this really a myth or there is some truth in it?
 
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It would appear CNN agrees with you.

http://archives.cnn.com/2000/HEALTH/women/12/14/health.nails.reut/index.html

"...the belief that calcium helps nail growth is widespread, presumably because nails contain calcium, the element that keeps bones strong. However, bones have 800 times more calcium than nails.

The new results "provide no support for the idea that calcium intake alters self-reported nail quality ..."
 

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