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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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C

Cocaine - National Library of Medicine

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

Cocaine is a white powder. It can be snorted up the nose or mixed with water and injected with a needle. Cocaine can also be made into small white rocks, called ...

C. diff Infections - National Library of Medicine

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What is C. diff? C. diff is a bacterium that can cause diarrhea and more serious intestinal conditions such as colitis. You may see it called other names - ...

Cesarean Section - National Library of Medicine

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A Cesarean section (C-section) is surgery to deliver a baby. The baby is taken out through the mother's abdomen. In the United States, almost one in three ...

Hepatitis C - 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 hepatitis C? Hepatitis is inflammation of the liver. Inflammation is swelling that happens when tissues of the body are injured or infected. Inflammation ...

Vitamin C - National Library of Medicine

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Vitamins are substances that your body needs to grow and develop normally. Vitamin C is an antioxidant. It is important for your skin, bones, and connective tissue. ...

Blood Clots - National Library of Medicine

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What is a blood clot? A blood clot is mass of blood that forms when platelets, proteins, and cells in the blood stick together. When you get hurt, your ...

Hepatitis - National Library of Medicine

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... one of several viruses -- hepatitis viruses A, B, C, D, and E. In the United States, A, B, and C are the most common. Alcoholic hepatitis is caused ... undercooked pork, deer, or shellfish. Hepatitis B, hepatitis C, and hepatitis D spread through contact with the ...

Miscarriage - National Library of Medicine

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... a procedure called a dilatation and curettage (D&C) or medicines to remove the tissue. Counseling may ...

Anemia - National Library of Medicine

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If you have anemia, your blood does not carry enough oxygen to the rest of your body. The most common cause of anemia is not having enough iron. Your body ...

Blood Disorders - National Library of Medicine

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Your blood is living tissue made up of liquid and solids. The liquid part, called plasma, is made of water, salts and protein. Over half of your blood is ...

Ectopic Pregnancy - National Library of Medicine

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The uterus, or womb, is the place where a baby grows when a woman is pregnant. If you have an ectopic pregnancy, the fertilized egg grows in the wrong place, ...

Hepatitis B - National Library of Medicine

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

... where hepatitis B is common Have diabetes, hepatitis C, or HIV What are the symptoms of hepatitis ...

Uterine Cancer - National Library of Medicine

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The uterus, or womb, is the place where a baby grows when a women is pregnant. There are different types of uterine cancer. The most common type starts in ...

Uterine Diseases - National Library of Medicine

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The uterus, or womb, is the place where a baby grows when a woman is pregnant. The first sign of a problem with the uterus may be bleeding between periods ...

Vaginal Bleeding - National Library of Medicine

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Menstruation, or period, is a woman's monthly bleeding.Abnormal vaginal bleeding is different from normal menstrual periods. It could be bleeding that is between periods, ...

Abortion - National Library of Medicine

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An abortion is a procedure to end a pregnancy. It uses medicine or surgery to remove the embryo or fetus and placenta from the uterus. The procedure is ...

Antioxidants - National Library of Medicine

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

... Beta-carotene Lutein Lycopene Selenium Vitamin A Vitamin C Vitamin E Vegetables and fruits are rich sources ...

Arthritis - National Library of Medicine

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If you feel pain and stiffness in your body or have trouble moving around, you might have arthritis. Most kinds of arthritis cause pain and swelling in ...

Autoimmune 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.

What are autoimmune diseases? Your immune system protects you from disease and infection by attacking germs that get into your body, such as viruses and ...

COVID-19 (Coronavirus Disease 2019) - National Library of Medicine

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

COVID-19 (coronavirus disease 2019) is an illness caused by a virus. This virus is a coronavirus called SARS-CoV-2. It spreads when a person who has the infection ...