Boil - A red swelling beneath the skin. A boil is full of pus and hurts. It is caused by infection. When you have bronchitis you have a bad cough. Cancer - A disease in which a cell or group of cells begin to divide and grow faster than is normal.
Cancer destroys healthy tissues and organs.
Chicken Pox - A mild disease that is easily passed from one person to another. When you have chicken pox, you have a fever and a blotchy red rash on your body. Cold - A common sickness that causes sneezing, coughing and a runny or stuffy nose. Contagious - Something that's spread from person to person like a cold, flu or some diseases. Deficiency - A lack of something needed or necessary like vitamins and minerals.