The idea that fingernails can reflect aspects of overall health has become increasingly popular in recent years, especially in conversations around aging, wellness, and biological indicators. While some online interpretations can exaggerate what nails are capable of revealing, there is a real scientific foundation behind studying nail growth and appearance.
Fingernails are not predictive tools for lifespan or disease on their own, but they do offer small, observable clues about how certain processes in the body are functioning at a given time.
From a biological perspective, fingernails are composed mainly of keratin, a strong protein produced by specialized cells in… CONTINUE READING…
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