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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.

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Dietary Supplements - National Library of Medicine

... herbs, and many other products. They can come as pills, capsules, powders, drinks, and energy bars. Supplements ... certain birth defects in their babies. To take a supplement as safely as possible: Tell your health ...

Eczema - National Library of Medicine

Eczema is a term for several different types of skin swelling. Eczema is also called dermatitis. Most types cause dry, itchy ... or worse over time, but it is often a long-lasting disease. People who have it may ...

Electromagnetic Fields - National Library of Medicine

... EMF exposure and cancer. Some studies have found a link between EMF exposure and a higher risk of childhood leukemia, but other studies ... The phones do give off radiofrequency energy (RF), a form of electromagnetic radiation. So far, scientific evidence ...

Endoscopy - National Library of Medicine

Endoscopy is a procedure that lets your doctor look inside your body. It uses an instrument called an endoscope, or scope for short. Scopes have a tiny camera attached to a long, thin tube. ...

Family Issues - National Library of Medicine

... families. Some have two parents, while others have a single parent. Sometimes there is no parent and ... genes or the same address. They should be a source of love and support. This does not ...

Fetal Health and Development - National Library of Medicine

A normal pregnancy lasts nine months. Each three-month period of pregnancy is called a trimester. During each trimester, the fetus grows and ... of head first), you may need to have a Cesarean section to avoid complications. Besides getting medical ...

First Aid - National Library of Medicine

... on an ice cube or gets stung by a bee. It is important to know when to ... to apply pressure. It is important to have a first aid kit available. Keep one at home ...

Fistulas - National Library of Medicine

A fistula is an abnormal connection between two parts inside of the body. Fistulas may develop between different organs, such as between the esophagus and the windpipe or the ...

Genital Warts - National Library of Medicine

What are genital warts? Genital warts are a sexually transmitted infection (STI) caused by the human papillomavirus (HPV). There are many types of HPV. Some types of HPV can cause genital ...

Health Insurance - National Library of Medicine

... you from high medical care costs. It is a contract between you and your insurance company. You buy a plan or policy, and the company agrees to ... care. Many people in the United States get a health insurance policy through their employers. In most ...

Hives - National Library of Medicine

... bumps on your skin. An allergic reaction to a drug or food usually causes them. Allergic reactions ... away on their own, but if you have a serious case, you might need medicine or a ...

Impaired Driving - National Library of Medicine

... half of all car crashes. It means operating a motor vehicle while you are affected by: Alcohol Legal or illegal drugs Sleepiness Distractions, such as using a cell phone or texting Having a ...

Indigestion - National Library of Medicine

... everyone has had indigestion at one time. It's a feeling of discomfort or a burning feeling in your upper abdomen. You may ... or make it worse. Sometimes the cause is a problem with the digestive tract, like an ulcer ...

Limb Loss - National Library of Medicine

... may result in amputation (the surgical removal of a limb). Injuries, including from traffic accidents and military ... help you adapt. Recovery from the loss of a limb can be hard. Sadness, anger, and frustration ...



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