Alternative medicine
Learning Center
Herbal supplements and heart medicines may not mix
Some herbal supplements can have dangerous interactions with heart medications.
Herbal supplements: Safety first
If you take herbal supplements, include a dose of safety in your routine: 1. Don't exceed the recommended dosages. 2. Tell your doctor what you're taking. Some herbs may interfere with other drugs or have other harmful effects. 3. Avoid herbal supplements if you're pregnant or breast-feeding, unless your doctor approves.
Hormone therapy for prostate cancer
Find out what to expect during testosterone-blocking therapy. Learn about choices, including medicines and surgery.
How plant-based food helps fight cancer
Got salad? A Mayo expert weighs in on the benefits of plant-based eating for cancer prevention.
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.
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.
Kombucha tea: Does it have health benefits?
Does kombucha tea live up to its reputation as a health tonic?
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