Nutrition basics
Learning Center
Hodgkin lymphoma (Hodgkin disease)
Learn how this cancer differs from other lymphomas. Find out about risk factors and treatments, such as chemotherapy, radiation and bone marrow transplant.
Acute coronary syndrome
Know the symptoms, causes and treatment of this heart condition. The term refers to many conditions that cause sudden, low blood flow to the heart.
Gastrointestinal stromal tumor (GIST)
Learn about this type of cancer that usually happens in the stomach or small intestine. Treatments often include surgery and targeted therapy.
Cavities and tooth decay
These areas in the hard surface of your teeth are tiny openings or holes due to damage from tooth decay. This can lead to pain, infection and tooth loss.
Coronavirus disease 2019 (COVID-19)
Coronavirus disease 2019 (COVID-19) is an illness caused by the virus SARS-CoV-2. Learn more about the symptoms, risks and ways to protect yourself.
Atrial fibrillation
A fast, pounding heartbeat could be due to AFib, a type of heart rhythm problem. Know the warning signs and when treatment is needed.
Frostbite
Learn how to prevent cold injury to the skin when outdoors in freezing temperatures and how to treat and recover from frostbite.
Posterior cortical atrophy
This rare neurological syndrome that's often caused by Alzheimer's disease affects vision and coordination.
Bone cancer
Bone cancer most commonly affects the long bones in the arms and legs. Some types happen mostly in children, while others affect mostly adults.
Varicose veins
This common condition causes lines or cords to develop under the skin. Learn self-care steps to take and what treatments there are.
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