Add Yahoo as a preferred source to see more of our stories on Google. Nails can split for a variety of reasons, experts say. whitemay via Getty Images One day your manicure looks so good, you wonder ...

You might not even notice that you're doing it.

There are 10 potential health indicators right at your fingertips.

One day your manicure looks so good, you wonder if you’ve missed your calling as a hand model. The next day, you start to notice that your nails have started to split and peel. What’s going on? “The ...