Fitness basics
Learning Center
HPV infection: How does it cause cervical cancer?
Cervical cancer is most often caused by a genital human papillomavirus (HPV) infection.
Headaches during pregnancy: What's the best treatment?
Headaches during pregnancy are common. Here's help easing the pain.
Heart rate: What's normal?
A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a problem.
Hemorrhoids during pregnancy: What's the best treatment?
Know how to relieve painful, swollen veins in the anus and rectum during pregnancy.
Hepatitis C: What happens in end-stage liver disease?
End-stage complications of hepatitis C include liver failure and liver cancer.
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.
Hypnobirthing: How does it work?
Hypnobirthing — A Mayo Clinic specialist discusses this method of easing pain during childbirth.
Hypothyroidism and infertility: Any connection?
For women, there's sometimes a link between having an underactive thyroid gland (hypothyroidism) and infertility.
Hypothyroidism symptoms: Can hypothyroidism cause eye problems?
Hypothyroidism symptoms can vary, but eye problems aren't usually a concern.
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