Carotid artery disease causes a narrowing of the major blood vessels that supply the brain. It is caused by atherosclerosis and can lead to a stroke.

The longer a person is obese, the more they are at risk for problems. Many chronic diseases are linked with obesity. And obesity is hard to treat. Because of these reasons, prevention is very important.

Myasthenia gravis is a chronic autoimmune disorder in which antibodies destroy neuromuscular connections. This causes problems with communication between nerves and muscle, resulting in weakness of the skeletal muscles. Myasthenia gravis affects the voluntary muscles of the body, especially the eyes, mouth, throat, and limbs.

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.

Because anticancer medicines are made to kill growing cells, they also affect normal, fast-growing cells such as blood cells forming in the bone marrow and cells in the digestive tract, reproductive system, and hair follicles. Some anticancer medicines may affect cells of vital organs, such as the heart, kidney, bladder, lungs, and nervous system.