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Benign Breast Conditions
A breast cyst is a fluid-filled sac inside the breast. Breast cysts are common in women. They might cause a…
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Bell’s Palsy
Bell’s palsy is a condition that temporarily paralyzes the side of your face. It usually goes away on its own…
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Bedbugs
Bedbugs are oval-shaped, wingless parasites. They have 6 legs and are about 1/5 of an inch long. They are white…
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Bartholin's Gland Cyst
Bartholin’s gland cyst is a swelling that can occur near the opening of a woman’s vagina. They can become infected,…
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Barrett’s Esophagus
Barrett’s esophagus is a condition that affects your esophagus. It happens when acid from your stomach goes back up into…
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Bacterial Vaginosis (BV)
Bacterial vaginosis is a mild infection in the vagina caused by an overgrowth of bacteria. Researchers do not completely understand…
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Bacterial Endocarditis
Bacterial endocarditis is an infection in the valves and inner lining of your heart.
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Babesiosis
Babesiosis is a red blood cell infection caused by a parasite carried by deer ticks. Most infections happen in the…
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Avian Flu
Avian flu is a virus that is spread from bird to bird. In rare cases, certain strains of the virus…
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Autism
Autism is a developmental brain disorder affecting social, behavioral, and communication skills.
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Attention-Deficit Hyperactivity Disorder (ADHD)
ADHD is a group of behaviors that can make it difficult to focus at school, work or home.
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Atherosclerosis
Atherosclerosis is a plaque build-up in your arteries.
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Asthma in Kids
Asthma is a disease that often starts in childhood and makes it difficult for your child to breathe.
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Asthma
Asthma is a chronic (long-term) disease of the lungs. It inflames and narrows the airways, making it harder to…
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Asperger's Syndrome
Asperger’s syndrome is a developmental disorder affecting speech and behavior.
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Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC)
Arrhythmogenic right ventricular cardiomyopathy is an uncommon genetic heart problem that causes muscle cells in your ventricle wall to…
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Arrhythmia
An arrhythmia is a change in the rhythm of your heartbeat. Your heart may beat too fast, too slow, or…
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Appendicitis
Appendicitis is an inflammation or infection in your appendix. It can cause pain and swelling, and the appendix may burst…
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Ankle Sprains
Ankle sprains range from mild to severe and need immediate treatment.
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Angina
Angina is a heart condition that causes chest pain or pressure.
All conditions
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