Doctor Uncovers A Telltale Sign In Your Fingernails That May Predict Your Life Expectancy

of  nail polish or soaking in sudsy water for too long. It could also point to external issues, though. If you are not sure if the peeling is caused by external or internal factors, simply look to see if your toenails are also peeling. If you find that the factors are internal, you can try consuming more iron-rich  foods or supplements.