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Joint replacement surgery removes and replaces an arthritic or damaged joint with an artificial joint. Read on to learn how to get ready for the procedure and what the possible complications are.

Cancer starts when cells in the body change (mutate) and grow out of control. These cells can form lumps of tissue called tumors. Cancer that starts in the cells of the colon is called colon cancer. Cancer that starts in the cells that make up the rectum is called rectal cancer. These cancers are a lot alike, so they're sometimes just called colorectal cancer.

Human bites can be more serious than animal bites because they often become infected.

Herbs and spices add flavor to cooking without adding fat or sodium.

Fitness reduces your risk for high blood pressure as well as heart disease, diabetes, and certain cancers.

Chronic means ongoing. Pain is called chronic when it lasts over a long period of time, at least 3 months. Here's what you need to know.

Exercise can help reduce pain. In some cases, exercise may help treat your underlying problem. Here are some tips to get you started.

Hyperkalemia means you have a high level of potassium in your blood. Learn how to care for hyperkalemia at home, including what diet changes to make.

Self-catheterization means putting a clean tube (catheter) into the bladder to empty urine. Follow the steps to do self-catheterization.