Consumer health basics
Learning Center
Stuttering
Stuttering, sometimes called stammering, is a speech condition that involves problems with rhythm and flow when speaking.
Hypospadias
Hypospadias is a birth defect in which the opening of the urethra is located on the underside of the penis instead of the tip. Learn about treatment.
Testicular cancer
Learn about cancer that starts in the testicles. Treatments include surgery, chemotherapy and radiation therapy.
Atypical hyperplasia of the breast
Learn how a diagnosis of atypical lobular hyperplasia or atypical ductal hyperplasia affects your risk of breast cancer and what you can do.
Male breast cancer
Breast cancer can affect anyone. Learn about the signs and symptoms of this cancer. Treatment most often involves surgery.
Cystic fibrosis
This inherited condition causes severe damage to the lungs, digestive system and other organs. Learn about improvements in screening and treatments.
Low sperm count
Having a low sperm count can make conceiving a child difficult, but not necessarily impossible. Learn about possible causes and treatment.
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.
Varicocele
Find out how this condition involving the enlargement of veins in the scrotum can affect sperm quality and production.
Post-traumatic stress disorder (PTSD)
This mental health condition, which is caused by being part of or witnessing a terrifying event, leads to symptoms that include flashbacks, nightmares and severe anxiety.
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