This is what your brittle, yellow or peeling nails really mean for your health - and the tell-tale sign something sinister is going on, revealed by our top expert

We tend to think of nails as purely cosmetic: something to paint, file extend, and generally made look pretty.
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Dentists Could Soon 'Regrow' Your Tooth Enamel With a Simple Gel

You won't find visits to the dentist at the top of most people's lists of fun activities, but check-ups could be made easier ...