Biting Your Nails and Other Habits That Could Be a Sign of a Serious Problem

By Christina Byrnes, MSN

You know you have to rush to the ER and call your doctors right away when your chest hurts and you can’t breathe. These are signs you can’t ignore. But some insignificant symptoms that many would dismiss as the result of too much stress are in fact a way for your body to tell you to check your health.

To create a list of 16 habits that may be masking an underlying health problem, 24/7 Wall St. consulted doctors and reviewed scores of research papers and academic studies.