Nail biting

It's a hard habit to kick, but it's totally possible with the right tools and tips.

Some nail-biting is normal, but it can become a bad habit over time. Here’s why kids bite their nails and how you can help them to stop.

Learn what it means about your health if you have yellowing nails, white spots on your nails, dark lines on your nails, and more.

It’s not just the butterflies in your stomach -- worry can affect your health in a number of ways. Find out more about dealing with worry with this WebMD slideshow.

If you have a compulsive need to bite your nails or pick your skin, don’t be ashamed. It’s a normal behavior that you can redirect to healthier ways to stay regulated.

It might sound gross, but researchers say that the extra bacteria from biting your nails or sucking your thumb could help with allergies

Change your ways by breaking had habits, even if you think you're set in them.

There are a lot of gross things that can happen if you bite your nails, including sickness and the spread of germs. These gross and sometimes scary reasons might just be enough to help you kick your nail biting habit.

"If you do get paronychia, take it seriously because it can get a lot worse very quickly," says Lauren Nichols, 18

Frightened woman with phone biting nails in fear after reading bad news about approaching financial crisis. Girl with phone is afraid of threatening messages or will be on social networks