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207 Search results starting with "A"

Disease

Alpha-1-antitrypsin deficiency

Learn about the symptoms and risk factors of alpha-1-antitrypsin deficiency, a condition passed down in families, that can affect the lungs, liver or both.
Disease

Alpha-gal syndrome

This allergic reaction to meat-based meals most often results from a tick bite.
Disease

Alzheimer's disease

Understand more about this brain disease that is the most common cause of dementia. Also learn about new tests and medicines.
Disease

Ameloblastoma

Learn more about the symptoms and treatment of this rare, noncancerous (benign) tumor that develops in the jaw.
Disease

Amenorrhea

Absence of menstruation (amenorrhea) may be linked to an underlying, treatable problem. Learn about amenorrhea causes and when to seek help.
Disease

Amnesia

Read about what can cause memory loss and learn steps you can take to manage it.
Disease

Ampullary cancer

Learn more about the causes, diagnosis and treatments for cancer of the ampulla of Vater.
Disease

Amyloidosis

This rare disease caused by a buildup of the protein amyloid can affect different organs in different people. Find out how early and accurate diagnosis can lead to better outcomes.
Disease

Amyotrophic lateral sclerosis (ALS)

This progressive nervous system disease, also known as Lou Gehrig's disease, destroys nerve cells.
Disease

Anal cancer

Learn about this cancer that affects the anal canal and causes bleeding and pain. Treatment is usually with a combination of radiation and chemotherapy.
Disease

Anal fissure

Learn what causes a tear in the anus and how to prevent or treat this often painful condition.
Disease

Anal fistula

An infected anal gland can sometimes cause a tunnel to develop between the skin and the anus. Learn about symptoms and diagnosis for this painful, but treatable, condition.
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