Consumer health basics
Learning Center
Microcephaly
Learn more about microcephaly, when an infant's head is smaller than expected. The condition affects child development.
Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD)
Learn about the symptoms, diagnosis and treatments for this autoimmune disease that attacks nerve fibers in the body.
Nasopharyngeal carcinoma
Nasopharyngeal carcinoma is cancer that occurs in the nasopharynx, which is located behind your nose and above the back of your throat.
Obstructive sleep apnea
Learn the signs that point to this common and potentially serious sleep disorder. And find out the treatments that can help you sleep better.
Orchitis
This inflammation of one or both testicles can cause pain and infertility. It's usually caused by a bacterial infection or the mumps virus.
Paraneoplastic syndromes of the nervous system
This group of conditions affects people who have cancer and occurs when parts of the immune system attack parts of the nervous system.
Peritonitis
Learn about the causes, symptoms and treatment of peritonitis.
Peyronie disease
Understand what causes bent and painful erections and learn what treatments are available.
Pituitary tumors
Learn more about the symptoms, causes and treatment of growths that develop in the pituitary gland.
Pneumonia
Pneumonia — Learn about the symptoms, causes and treatment of this serious lung infection.
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