Fitness basics
Learning Center
Low sperm count
Having a low sperm count can make conceiving a child difficult, but not necessarily impossible. Learn about possible causes and treatment.
Varicocele
Find out how this condition involving the enlargement of veins in the scrotum can affect sperm quality and production.
Peritonitis
Learn about the causes, symptoms and treatment of peritonitis.
Retractile testicle
Find out about this condition that allows the testicle to move between the scrotum and groin.
Stage 4 prostate cancer
Find out about diagnosis and treatment of this cancer that has spread to the lymph nodes or other parts of the body.
Enlarged breasts in men (gynecomastia)
Learn how an imbalance of the hormones estrogen and testosterone can cause breast tissue swelling in boys or men.
Pneumonia
Pneumonia — Learn about the symptoms, causes and treatment of this serious lung infection.
Chronic pelvic pain
Ongoing pain in the pelvis can be a symptom of another disease or a condition in its own right. Learn how it's diagnosed and treated.
Prostatitis
Learn about tests and treatments for disorders of the prostate gland that cause pain, difficult or painful urination, and other symptoms.
Polyhydramnios
Learn about the symptoms, causes and treatment for this condition, in which too much amniotic fluid builds up during pregnancy.
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