MedlinePlus is a service of the National Library of Medicine (NLM), the world's largest medical library, which is part of the National Institutes of Health (NIH). It was built as an online health information resource for patients and their families and friends.
MedlinePlus presents high-quality, easy to understand, relevant health and wellness information that is trusted.
For many people, laser eye surgery can correct their vision so they no longer need
glasses or contact lenses. Laser eye surgery reshapes the cornea, the ...
... such as the mother's drug use) How do I know if my child has a learning disability? ...
Metabolism is the process your body uses to make energy from the food you eat. Food is made up of proteins, carbohydrates, and fats. Chemicals in your digestive ...
... HIV to have long, healthy lives.How can I live a healthier life with HIV? IIf you ...
What is lung cancer? Lung cancer is cancer that forms in tissues of the lung, usually in the cells that line the air passages. It is the leading cause ...
... provider before trying any new treatments.How can I cope with lupus? It is important to take ...
Lymphoma is a cancer of a part of the immune system called the lymph system. There are many types of lymphoma. One type is Hodgkin disease. The rest are called ...
Mercury is an element that is found in air, water and soil. It has several forms. Metallic mercury is a shiny, silver-white, odorless liquid. If heated, it is ...
What are migraines? Migraines are a recurring type of headache. They cause moderate to severe pain that is throbbing or pulsing. The pain is often on ...
... There are two types of monkeypox viruses: Clade I is regularly found in Central Africa. It causes ...
... GERD (reflux) and ulcers Intestinal obstruction When do I need to see a health care provider for ...
Good nutrition is important in keeping people healthy throughout their lives - when they are babies, toddlers, children, adults, and then older adults. It can ...
What are opioids? Opioids, sometimes called narcotics, are a type of drug. They include strong prescription pain relievers, such as oxycodone, hydrocodone, ...
An arrhythmia is any disorder of your heart rate or rhythm. It means that your heart beats too quickly, too slowly, or with an irregular pattern. Most arrhythmias ...
Pain is a signal in your nervous system that something may be wrong. It is an unpleasant feeling, such as a prick, tingle, sting, burn, or ache. Pain may ...
The pancreas is a gland behind your stomach and in front of your spine. It produces the juices that help break down food and the hormones that help control ...
Most people have four pea-sized glands, called parathyroid glands, on the thyroid gland in the neck. Though their names are similar, the thyroid and parathyroid ...
... mind about consent at any time.Where can I get help with patient rights? There are different ...
Pets can add fun, companionship and a feeling of safety to your life. Before getting a pet, think carefully about which animal is best for your family. What ...
Pheochromocytoma is a rare tumor that usually starts in the cells of one of your adrenal glands. Although they are usually benign, pheochromocytomas often cause the adrenal ...