Body of Knowledge . Nail health

[Keep a barrier

For nail health, dermatologists’ #1 recommendation is to leave your cuticles alone. The cuticle is a natural barrier to fungus and bacteria. Once cuticles are breached, protection is lost.

[Stay strong

In a German study, people with severe nail problems took supplements of biotin (a member of the vitamin B family) for several months and 91% had significant improvement. One supplement that experts say won't work: Gelatin.

[Don't over-induldge

Studies show that those who suffer most from dry, brittle nails were those who regularly indulged in manicures and pedicures.

[Nail it

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The American Academy of Dermatology advises that the condition of your nails can sometimes reflect health issues. D iscolored, slowgrowing, or thickening nails could indicate things like liver issues, kidney or lung disease, diabetes, or anemia.