Diet plans
Learning Center
HCG diet: Is it safe and effective?
Learn about the risks of this dangerous diet.
HPV infection: A cause of cancer in men?
Learn what types of cancer human papillomavirus can cause and how you can lower your risk.
Healthy sperm: Improving your fertility
You can take simple steps to have healthy sperm and improve your fertility.
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.
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.
Keratoconus
When your cornea bulges outward, it can cause blurry vision and make your eyes sensitive to light. Find out about symptoms, causes and treatment for this eye condition.
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.
Refine Your Search
Type
Gender
- All
- Male
Age
- All
- 45 to 64 middle
- 19 to 44 younger
- 65 to 80 older
- 13 to 18 years teen
- 11 to 12 years preteen
- 80 and over
- 00 birth to 01 month newborn
- 02 months to 2 years infant/toddler
- 29 to 40 middle
- 10 years
- 06 to 12 years elementary/preteen
- 03 to 5 years preschool