Experts share the "gross" body mechanisms that are generally beneficial, and when you should seek expert care if they've become a problem. Have you ever wondered why you have earwax or why you fart?

That awkward rumble from your stomach during a quiet meeting. The snot factory that your nose becomes during a cold. The eye crust that greets you every morning. Our bodies are constantly doing things ...

More than 30 per cent of people across the world bite their nails as a habit. Also known as onychophagia, many studies have ...