Noma is a very bad disease that can happen to kids who live in places where it's hard to get clean water and enough food. It starts with a little sore on the gums in your mouth, and it can get really bad really fast. It makes your mouth hurt a lot, and your cheeks get big and infected.
Sometimes, it makes your skin peel off, and you might start to feel really weak and sick. Noma can even make your face change shape and make it hard to talk or eat. It's very important to get help from a doctor as soon as you can if you think you have noma. They can give you medicine and food to help you get better.
But the best way to protect yourself from getting noma is to make sure you always have clean water to drink and wash your hands and face. Eating healthy foods with lots of vitamins and minerals can also help keep you strong and healthy.