Health Information Library

Want to know the best time of month to conceive or avoid pregnancy? The rhythm method is a natural form of family planning that can help. Learn the steps.

Find out about this changed state of awareness and the conditions it may help.

This is usually harmless, but sometimes it can be a sign of serious conditions, ranging from infection to a precancerous condition.

Read tips on finding a device that fits your needs and lifestyle.

This simple blood test measures inflammation in the body. The results help diagnose infection and, sometimes, predict the risk of heart attack.

This test gives important information about your heart health. Know how to prepare for an exercise stress test and what to expect.

This type of stress test uses a tiny bit of radioactive material to look for changes in blood flow to the heart. Know why it's done and how to prepare.

Find out about diagnosis and treatment of adrenoleukodystrophy — a hereditary disorder that affects the brain, nervous system and adrenal gland.

Find out more about the pros and cons of specific tests used for colon cancer screening, including colonoscopy, stool DNA test and virtual colonoscopy.

Practitioners use this integrative medicine technique to treat common problems such as back pain, neck pain and joint pain to influence energy flow.

Painful neck, back, knee, shoulder or hip? Radiofrequency neurotomy may quiet nerves that cause pain. Learn about this targeted treatment.

What does it mean to have high potassium? Learn about the role potassium plays in the body and the possible causes of this blood test result.

Thinking of getting your tubes tied? This surgery offers a permanent form of birth control. Know the risks and what to expect.

Your healthcare professional may order this test if you might have a condition such as sleep apnea. Learn how to prepare and what to expect.

Learn how to store expressed breast milk safely, what containers to use and how long breast milk will keep.

This oral contraceptive, sometimes called the minipill, contains only the hormone progestin and no estrogen.

Learn the steps for tracking body temperature for pregnancy or contraception. Find out when during your menstrual cycle you're more likely to be fertile.

This oral contraceptive contains both estrogen and progestin to keep you from ovulating. These medicines prevent pregnancy and can have other benefits.