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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.
Premature ejaculation
Understand what may cause ejaculation to happen earlier than wanted during sex. Also learn how to treat and prevent it.
Von Willebrand disease
Learn more about the symptoms, causes, diagnosis, treatment of this inherited bleeding disorder in which blood doesn't clot well.
Color blindness
Is it red or is it green? Learn more about what causes color blindness and how to tell whether or not you can distinguish between certain shades of color.
Iron deficiency anemia
Iron deficiency anemia — Comprehensive overview covers symptoms, causes, treatment of this blood disorder.
Congenital adrenal hyperplasia
This group of inherited genetic conditions limits the adrenal glands' ability to make certain vital hormones.
Atrial tachycardia
This type of fast heartbeat may occur after heart surgery or during pregnancy. But infections may trigger it, too. Learn how it's diagnosed and treated.
Norovirus infection
This highly contagious virus spreads through contaminated food, water or surfaces and causes vomiting and diarrhea. Learn ways to protect yourself.
Salmonella infection
This common bacterial infection is spread through contaminated food or water and affects the intestinal tract. Learn more about prevention and treatment.
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