When you bite your nails, tiny cuts form around your skin. The germs from your mouth enter these cuts, causing redness, pain, swelling, and sometimes a serious infection. This animation explains why you should stop nail biting and use a nail cutter inste

When you bite your nails, tiny cuts form around your skin. The germs from your mouth enter these cuts, causing redness, pain, swelling, and sometimes a serious infection. This animation explains why you should stop nail biting and use a nail cutter inste