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.
What is leukemia? Leukemia is a term for cancers of the blood cells. Leukemia starts in blood-forming tissues such as the bone marrow. Your bone marrow ...
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 ...
What is an arrhythmia? An arrhythmia is a problem with the rate or rhythm of your heartbeat. Your heart beats too quickly, too slowly, or with an irregular ...
... much longer. There are four blood types: A, B, AB, or O. Also, blood is either Rh- ...
What is leukemia? Leukemia is a term for cancers of the blood cells. Leukemia starts in blood-forming tissues such as the bone marrow. Your bone marrow ...
... Nicotinic acid (niacin). It is a type of B vitamin . It reduces the amount of fats made ...
... to 100% of both UV-A and UV-B radiation. Wear protective eye wear. To prevent eye ...
... immune system. Take high amounts of niacin (vitamin B-3). What are the symptoms of gout? Gout ...
... caused by viruses, such as hepatitis A , hepatitis B , and hepatitis C Diseases caused by drugs, poisons, ...
Meningitis is inflammation of the thin tissue that surrounds the brain and spinal cord, called the meninges. There are several types of meningitis. The most common ...
Multiple myeloma is a cancer that begins in plasma cells, a type of white blood cell. These cells are part of your immune system, which helps protect the body ...
... medicines Getting enough folic acid, a type of B vitamin, before and during pregnancy prevents most neural ...
Health care workers are exposed to many job hazards. These can include : Infections Needle injuries Back injuries Allergy-causing substances Violence Stress Follow ...
... are uncomfortable having close relationships with others. Cluster B personality disorders involve dramatic and emotional thoughts and ...
... disease Mycoplasma pneumoniae Chlamydia pneumoniae Haemophilus influenzae type b (Hib) Viruses that infect the respiratory tract may ...
... you did before pregnancy: Folic acid is a B vitamin that may help prevent neural tube defects .
...
Prenatal testing provides information about your baby's health before he or she is born. Some routine tests during pregnancy also check on your health. At your ...
There are four major blood types: A, B, O, and AB. The types are based on substances on the surface of the blood cells. Another blood type is called Rh. Rh ...
What is telehealth? Telehealth is the use of communications technologies to provide health care from a distance. These technologies may include computers, ...
What are vaccines? Vaccines are injections (shots), liquids, pills, or nasal sprays that you take to teach the immune system to recognize and defend against ...
