Nutrition basics
Learning Center
Molar pregnancy
This rare pregnancy complication requires early treatment. Learn more about diagnosis and treatment of this type of pregnancy loss.
Brain tumor
Find out more about the different types, signs, symptoms and causes of brain tumors, which are growths of cells in the brain.
Croup
This upper airway infection makes it harder to breathe and causes a barking cough. It involves swelling around the voice box, windpipe and bronchial tubes.
Mold allergy
Coughing, sneezing and itchy eyes often accompany this common allergy. Find out how to treat this condition and help keep it under control.
Common cold in babies
This viral infection causes a runny nose and nasal congestion in babies. Find out how to ease symptoms and when to see a doctor.
Swimmer's ear
The moist environment from water remaining in your ear after swimming or bathing can lead to this infection in the outer ear canal.
Priapism
Understand the symptoms, possible causes and treatment of prolonged erection of the penis, including when to seek emergency care.
Cluster headache
These painful headaches cause severe pain on one side of the head and tend to occur in bouts called cluster periods.
Male hypogonadism
This condition affects the ability of men's bodies to produce enough testosterone or enough sperm or both.
Retrograde ejaculation
Learn about the symptoms and treatment options for this condition that can cause male infertility.
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