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 can tell a lot about a person from their nails—their sense of style and maybe even insight into their personality. But more importantly, nails can also indicate the general state of your health.

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 ...