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A guide to basic stretches
Find ways to stretch safely with this guide.
A1C test
Learn more about the preparation for and results of this common diabetes blood test.
ACL injury
Learn about this injury that affects one of the main ligaments in your knee and most commonly occurs during sports such as soccer and football.
ANA test
An antinuclear antibody (ANA) test is one test used to help determine if you have an autoimmune disease such as lupus.
ARDS
With this condition, which can occur after a major illness or injury, fluid builds up in the lungs' air sacs so that less oxygen reaches the blood.
AV node ablation
Learn who may benefit from this cardiac catheter procedure to correct persistent atrial fibrillation, or AFib.
Abdominal aortic aneurysm
An aneurysm in the lower part of the aorta can grow slowly and silently. Know the symptoms of this dangerous condition and the treatment.
Abdominal hysterectomy
Learn why surgery to remove the uterus, known as a hysterectomy, might be done and what to expect if you need this surgery.
Abdominal pain
Everyone experiences abdominal pain from time to time. Find out when it might be cause for concern.
Abdominal ultrasound
An ultrasound of the abdomen is the preferred test to screen for an aortic aneurysm. But it may be done for other health reasons, too. Learn why.
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