Fat also helps the body absorb certain vitamins. Small amounts of fat are necessary for normal body function. Foods high in fat are also high in calories. Drugs that help the body get rid of water and salt. The buildup of excess fluid within the tissues.
Infections can occur in any part of the body.
They cause a fever and other problems, depending on the site of the infection. When the body's natural defense system is strong, it can often fight the entering germs and prevent infection. Cancer treatment can weaken the natural defense system, but good nutrition can help make it stronger. IV feeding occurs when a person is unable to eat solid food, such as right after surgery. After some types of surgery you may no longer be able to digest lactose easily.