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Ekim 29, 2026

Asthma in Children

Children's airways are small, making asthma more serious for them. Learn the symptoms, what can cause an attack, and long term treatments.
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Asthma

Asthma is a chronic lung disease. It causes asthma attacks, which make your airways inflamed and narrowed, and your lungs get less air. Learn about treatments.
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Assistive Devices

Learn about assistive devices and how they can help you if you are disabled or injured.
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Assisted Reproductive Technology

Learn about treating infertility with assisted reproductive technology (ART). It includes procedures like in vitro fertilization (IVF).
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Assisted Living

Many people need help as they age. Assisted living facilities can provide care that you or you loved ones may need. Learn more.
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Aspergillosis

Find out about symptoms, tests, and treatment of aspergillosis, a disease caused by a fungus.
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Asbestos

Asbestos is the name of a group of minerals with thin fibers. Breathing high levels of asbestos can lead to mesothelioma or lung cancer. Read more.
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Artificial Limbs

Artificial limbs, or prosthetics, can allow a person to do activities they might not be able to do otherwise. Learn more about artificial limbs.
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Arthritis

Arthritis can cause pain, swelling, and stiffness in and around the joints. Learn about the different types of arthritis and how they can affect you.
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Arteriovenous Malformations

Arteriovenous malformations (AVMs) are defects in your arteries, veins, and capillaries. They are common in the brain and spine. Find out more.
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Arsenic

Arsenic can be in food, soil, and water. Low levels will probably not hurt you, but higher levels can cause problems. Learn more about arsenic.
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Arrhythmia

If you have an arrhythmia, or irregular heartbeat, your heart may beat too quickly, too slowly, or with an irregular rhythm. Learn about causes and treatments.
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