A helpful overview guide to understanding what cancer is.

Complementary medicine is used along with other therapies. It often serves to relieve symptoms and improve quality of life. Alternative medicine is used alone, without standard treatment.

Helpful tips on foods to choose if you have nausea and vomiting during cancer treatment.

During cancer treatment, you need enough calories and protein. But the foods you choose can also help you cope with side effects of cancer and its treatment. Here's what you need to know.

After getting a few treatments, some people feel nausea and begin vomiting in anticipation of the next treatment. The reaction is usually caused by something related to the treatment, like the smell of alcohol or the sight of a medical uniform.

Different kinds of tests show different levels of cancer risk. Some tests may even help people who don't have a personal or family history of cancer. You can be tested by working with your healthcare provider.

The side effects of chemotherapy (chemo) depend on the type of chemo and the amount given. Learn more about the potential side effects of chemo.

Diseases caused by smoking kill more than 480,000 people in the U.S. each year. Here's a look at the risks linked to smoking, as well as information to help you quit.

There are many types of sleep problems. They can interfere with health and quality of life. Sleep problems can range from insomnia to snoring.

Inhalers and nebulizers deliver medicine directly to the lungs. They cause fewer side effects than medicine taken by mouth or injection.