Weight-loss basics
Learning Center
Low sperm count
Having a low sperm count can make conceiving a child difficult, but not necessarily impossible. Learn about possible causes and treatment.
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.
Laryngospasm: What causes it?
Laryngospasm is a brief spasm of the vocal cords, which temporarily interrupts breathing.
Lack of sleep: Can it make you sick?
Lack of sleep can affect your immune system. Here's what you need to know.
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.
Kidney stones
Learn about the symptoms, risks, causes and treatment of this often intensely painful condition.
Kegel exercises for men: Understand the benefits
Men benefit from Kegel exercises too. Follow these tips to strengthen your pelvic floor muscles.
Is depression a factor in rheumatoid arthritis?
Depression is common in people with rheumatoid arthritis. If it isn't treated, depression may contribute to worsening of rheumatoid arthritis symptoms.
Is a home sperm test useful?
Using a home sperm test to check your fertility may not provide a clear answer.
Iron deficiency anemia during pregnancy: Prevention tips
Are you getting enough iron? Know how to spot the symptoms of iron deficiency anemia during pregnancy and how to prevent it.
Refine Your Search
Type
Gender
Age
- All
- 45 to 64 middle
- 19 to 44 younger
- 65 to 80 older
- 13 to 18 years teen
- 80 and over
- 02 months to 2 years infant/toddler
- 06 to 12 years elementary/preteen
- 00 birth to 01 month newborn
- 03 to 5 years preschool
- 29 to 40 middle
- 18 years
- 17 years
- 16 years