Newborn health
Learning Center
High-dose vitamin C: Can it kill cancer cells?
High-dose vitamin C has been touted by some as an effective alternative cancer treatment.
Hip replacement
Hip replacement may be an option if your hip pain interferes with daily activities and nonsurgical treatments haven't helped.
Hormone therapy for prostate cancer
Find out what to expect during testosterone-blocking therapy. Learn about choices, including medicines and surgery.
Hydrocele
Find out more about the symptoms, causes and treatments for this swelling in the scrotum.
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.
Induced lactation: Can I breastfeed my adopted baby?
With time and dedication, breastfeeding without pregnancy (induced lactation) might be possible.
Infant development: Birth to 3 months
Expect your baby to change dramatically in the first few months.
Is a home sperm test useful?
Using a home sperm test to check your fertility may not provide a clear answer.
Kegel exercises for men: Understand the benefits
Men benefit from Kegel exercises too. Follow these tips to strengthen your pelvic floor muscles.
Klinefelter syndrome
This genetic disorder occurs when a male is born with an extra copy of the X chromosome and may result in low testosterone production and infertility.
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