Health Library

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  • Vision Tests

    Vision tests check many different functions of the eye. Some of the tests measure your ability to see details at near and far distances, check for gaps or defects in your field of vision, and evaluate your ability to see different colors. Others may check how sensitive you are to...

  • Multiple Pregnancy: Twins or More

    Discusses pregnancy of carrying two or more babies. Covers identical and fraternal twins and triplets. Discusses infertility treatment, a common cause of multiple pregnancy. Discusses common tests, possible complications, and treatment options. Covers self-care.

  • Birth Control

    Covers birth control methods, including the pill, skin patch, Depo-Provera shot, condoms, cervical cap, and diaphragm. Provides questions to help you decide the right birth control method for you. Covers emergency contraception (the morning-after pill).

  • Hiatal Hernia

    Discusses three main types of hiatal hernia: sliding, paraesophageal, and mixed. Covers symptoms such as heartburn and gastroesophageal reflux disease (GERD). Looks at treatment with lifestyle changes, medicines, and sometimes surgery.

  • Body Piercing Problems

    Briefly discusses common problems from body piercings, including infection, problems with jewelry, torn skin, and scarring. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

  • Growth and Development, Ages 1 to 12 Months

    Children usually move in natural, predictable steps as they grow and develop language, cognitive, social, and sensory and motor skills. But each child gains skills at their own pace. It's common for a child to be ahead in one area, such as language, but a little behind in another. At...

  • Diverticulitis

    Includes info on diverticulitis, a condition in which pouches form in the colon and get inflamed or infected. Discusses symptoms and possible complications. Covers treatment with changes to your diet, medicine, or surgery.

  • Gastric Bypass Surgery

    Discusses gastric bypass surgery to treat obesity. Discusses why and when it is done. Covers laparoscopic and open Roux-en-Y surgery. Discusses risks during and after surgery.

  • Obesity

    Covers the basics of obesity. Discusses health risks such as hypertension related to having excess body fat. Focuses on lifestyle changes you can make, like healthy eating and exercise. Includes information on weight-loss medicines and surgery and on creating a long-term plan with your doctor.

  • Sickle Cell Disease: Vision Problems

    People who have sickle cell disease can sometimes have vision problems. Blood cells that change shape, or "sickle," can get trapped in blood vessels, blocking the blood flow. When this blockage occurs in the small blood vessels in the inner lining ( retina ) of the eyes, it can cause...


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