MEASLES - Is a skin disease where you get lots of little red spots all over your body. You may also get a temperature. Measles do not last very long, and you will have to stay home so that you don't give it to your friends. When the spots are getting better they will itch so try not to scratch them.

MONONUCLEOSIS (MONO) - A disease where you just feel tired and don't know what is wrong. It is a virus which takes a long time to go away. Only through a lab test can you be sure you have Mono. If you have Mono the doctor will say you should get plenty of rest and drink lots of fluids.

MUMPS - A disease that causes painful swellings just below and in front of your ears, it makes you look a bit like a chipmunk with a mouthful of nuts. Mumps takes several days to go away and the doctor can give you some medicine to help you feel better.