Stress basics
Learning Center
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.
Hyperinflated lungs: What does it mean?
If you can’t breathe out well, as in COPD, air may get trapped inside your lungs. As you breathe in more air over time, your lungs get too big and stiff.
Hypertensive crisis: What are the symptoms?
A sudden rise in blood pressure over 180/120 mm Hg is considered a medical emergency, or crisis. It can lead to a stroke. Know the symptoms.
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.
Hypothyroidism symptoms: Can hypothyroidism cause eye problems?
Hypothyroidism symptoms can vary, but eye problems aren't usually a concern.
Insomnia
This disorder can make it hard to fall asleep, hard to stay asleep or both, even though you have the chance for enough sleep. It can drain your energy.
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.
Is a home sperm test useful?
Using a home sperm test to check your fertility may not provide a clear answer.
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.
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