Fitness basics
Learning Center
Carotid endarterectomy
This procedure removes plaque buildup in the carotid artery to help reduce your risk of stroke.
Carotid ultrasound
This test examines the blood flow through the arteries in the neck that deliver blood from the heart to the brain.
Cataract surgery
Cataract surgery — Overview covers risks, complications, results of this eye surgery.
Chemical peel
Learn about your options and what to expect with this skin-resurfacing procedure that removes layers of your skin with a chemical solution.
Chemotherapy
Chemotherapy drugs are used to treat many types of cancer. Learn why it's done, side effects and what to expect during chemotherapy treatment.
Chemotherapy for breast cancer
Learn how doctors use this drug treatment to kill rapidly growing breast cancer cells. Find out about chemotherapy side effects and what you can expect.
Chest X-rays
Learn what these chest images can show and what conditions they may uncover.
Chiropractic adjustment
Chiropractors apply a controlled, sudden force to individual spinal joints to improve mobility and relieve discomfort.
Cholecystectomy (gallbladder removal)
Does your gallbladder need to come out? Find out what happens during this common surgical procedure to remove your gallbladder.
Cholesterol test
Measuring the amount of cholesterol and triglycerides in your blood can help predict your risk of blocked arteries in your heart and brain.
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