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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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Diabetic Foot - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

What is diabetes? Diabetes is a disease in which your blood glucose, or blood sugar, levels are too high. Glucose comes from foods you eat. The cells ...

Healthy Sleep - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... is important for overall health. When you don't get enough sleep (sleep deprivation), it does more ...

Antibiotics - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... Taking antibiotics when they're not needed won't help you, and they can have side effects. ... treatment for you when you're sick. Don't ask your provider to prescribe an antibiotic for ...

Cold and Cough Medicines - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... or runny nose, sneezing, and coughing. You don't usually need to treat a cold or the cough that it causes. You can't cure a cold, and antibiotics won't help ...

Lymphoma - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... a type of white blood cell, called a T cell or B cell, becomes abnormal. The cell ... the body. Most of the time, doctors don't know why a person gets non-Hodgkin lymphoma. ...

Teen Sexual Health - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... human papillomavirus) Pubic lice Syphilis Trichomoniasis STDs don't always cause symptoms. So it is possible to ... getting tested before having sex. If you can't talk about STDs, you aren't ready to ...

Medicines and Children - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

Children aren't just small adults. It is especially important to remember this when giving medicines to children. Giving a child ... side effects in your child The medicine doesn't appear to be working when you expect it ...

Sudden Cardiac Arrest - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... During a heart attack, the heart usually doesn't suddenly stop beating. With an SCA, the heart ... where the ventricles (the heart's lower chambers) don't beat normally. Instead, they beat very fast and ...

Vitamin D Deficiency - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... in vitamin D for different reasons: You don't get enough vitamin D in your diet You don't absorb enough vitamin D from food (a malabsorption problem) You don't get enough exposure to sunlight. Your liver or ...

Diabetic Eye Problems - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... cells. With type 1 diabetes, your body doesn't make insulin. With type 2 diabetes, your body doesn't make or use insulin well. Without enough insulin, ...

How to Improve Mental Health - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... between positive and negative emotions. Staying positive doesn't mean that you never feel negative emotions, such ... to respond to a problem. But you don't want those emotions to take over. For example, ...

Mitral Valve Prolapse - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... occurs when one of your heart's valves doesn't work properly. The flaps of the valve are "floppy" and don't close tightly. Most people who have the condition ...

Antibiotic Resistance - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... cause problems. To help prevent antibiotic resistance: Don't use antibiotics for viruses like colds or flu. Antibiotics don't work on viruses. Don't ask your health ...

Antidepressants - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... usually prescribe newer antidepressants first because they don't cause as many side effects as older types. ... Atypical antidepressants, which are newer antidepressants that don't fit into the other groups If these antidepressants ...

Ataxia Telangiectasia - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

Ataxia-telangiectasia (A-T) is a rare, inherited disease. It affects the nervous system, immune system, and other body systems. Symptoms appear in ... Delayed physical and sexual development People with A-T have an increased risk of developing diabetes and ...

Bullying and Cyberbullying - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... Have depression, anxiety, or low self-esteem Don't have many friends or are less popular Don't socialize well with others Have an intellectual or ... serious problem that causes harm. And it doesn't just hurt the person who is being bullied; ...

Cancer - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... wrong. New cells grow even when you don't need them, and old cells don't die when they should. These extra cells can ... can be benign or malignant. Benign tumors aren't cancer while malignant ones are. Cells from malignant ...

Diabetes Type 2 - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... energy. If you have diabetes, your body doesn't make enough insulin or doesn't use insulin well. The glucose then stays in ... is a condition in which your cells don't respond normally to insulin. As a result, your ...

Diabetic Diet - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... cells. With type 1 diabetes, your body doesn't make insulin. With type 2 diabetes, your body doesn't make or use insulin well. Without enough insulin, ...

Heart Valve Diseases - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... it from flowing backward. But sometimes they don't work properly. If they don't, you could have: Regurgitation - when blood leaks back ... the mitral valve, has "floppy" flaps and doesn't close tightly. It's one of the most common ...