Strength training
Learning Center
Congenital myasthenic syndromes
These rare hereditary conditions result in a problem in nerve stimulation, causing muscle weakness that worsens with physical activity.
Migraine
Find out about painful migraines that can last hours to days. Also can cause nausea and vomiting and reacting to light and sound.
Broken arm
Treatment depends on the site and severity of the injury. Simple breaks might be treated with a sling and ice. Complicated fractures may require surgery.
Meningitis
Spot the signs and understand the treatment options for meningitis, an infection that has several possible causes.
Invasive lobular carcinoma
Breast cancer that begins in the milk-producing glands of the breast is uncommon. Learn what sets lobular carcinoma apart from other breast cancer types.
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.
Chiari malformation
Learn about this brain condition in which brain tissue extends into the spinal canal.
Patent ductus arteriosus (PDA)
Learn about symptoms, causes and treatment of this common — and treatable — heart problem that occurs shortly after birth.
Iritis
Learn about who's at risk of this eye condition and why you should get treatment right away if you have symptoms.
Osteochondritis dissecans
Osteochondritis dissecans most commonly affects children who are very active in sports. Learn about the symptoms and treatment of this joint condition.
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