Healthy diets
Learning Center
Kegel exercises for men: Understand the benefits
Men benefit from Kegel exercises too. Follow these tips to strengthen your pelvic floor muscles.
Kidney stones
Learn about the symptoms, risks, causes and treatment of this often intensely painful 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.
Lack of sleep: Can it make you sick?
Lack of sleep can affect your immune system. Here's what you need to know.
Laryngospasm: What causes it?
Laryngospasm is a brief spasm of the vocal cords, which temporarily interrupts breathing.
Loss of sex drive in men: Natural with aging?
Age-related loss of sex drive is normal, but sometimes an underlying condition is at play.
Low sperm count
Having a low sperm count can make conceiving a child difficult, but not necessarily impossible. Learn about possible causes and treatment.
Low-fiber diet do's and don'ts
Learn which foods are allowed and which foods to avoid on a low-fiber diet.
Low-glycemic index diet: What's behind the claims?
Find out about the low-glycemic index diet — an eating plan based on how food affects blood sugar levels.
Male breast cancer
Breast cancer can affect anyone. Learn about the signs and symptoms of this cancer. Treatment most often involves surgery.
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