Nutrition basics
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.
High-protein diets: Are they safe?
Considering a high-protein diet for weight loss? Understand the precautions first.
Hormone therapy for prostate cancer
Find out what to expect during testosterone-blocking therapy. Learn about choices, including medicines and surgery.
How to track saturated fat
Knowing how much saturated fat is in the foods you eat can help you meet your health and nutrition goals.
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.
Juicing: What are the health benefits?
Learn about the pros and cons of extracting the juice from fresh fruits and vegetables.
Kegel exercises for men: Understand the benefits
Men benefit from Kegel exercises too. Follow these tips to strengthen your pelvic floor muscles.
Keloid scar
Learn about how to prevent, remove or flatten these problematic raised scars that form over scars from acne, tattoos, piercing and other injuries.
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