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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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Aphasia - National Library of Medicine

Aphasia is a disorder caused by damage to the parts of the brain that control language. It can make it hard for you to read, write, and say what you mean to ...

Diets - National Library of Medicine

If you are overweight or have obesity, losing weight can improve your health. It might also help you prevent weight-related diseases, such as heart disease, ...

Flu - National Library of Medicine

What is the flu? The flu, also called influenza, is a respiratory infection caused by viruses. Each year, millions of Americans get sick with the flu. ...