Fitness basics
Learning Center
Laryngospasm: What causes it?
Laryngospasm is a brief spasm of the vocal cords, which temporarily interrupts breathing.
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.
Von Willebrand disease
Learn more about the symptoms, causes, diagnosis, treatment of this inherited bleeding disorder in which blood doesn't clot well.
Iron deficiency anemia
Iron deficiency anemia — Comprehensive overview covers symptoms, causes, treatment of this blood disorder.
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.
Cytomegalovirus (CMV) infection
Understand the symptoms and treatment of this common viral infection that can cause health problems for babies and people who have weakened immunity.
Enlarged heart
Cardiomegaly is another word for this sign or symptom that may be caused by certain heart conditions or even pregnancy. Know how it's treated.
Erectile dysfunction: Nonoral treatments
Get the facts about shots, penis pumps and other ED treatments that don't involve taking medicine by mouth.
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