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.
... TB germs live in your body but don't make you sick. TB disease (active TB) where ... who have TB germs in their bodies don't get sick with TB disease. Instead, they have ...
... the site's "About Us" page. If you can't find information about who runs the website, the ... health information high quality? Good health information doesn't promote one treatment over another. It gives you ...
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 ...
... closed, so the stomach contents and acid don't flow back into the esophagus. This muscle, along ... may be weak or relax when it shouldn't. That allows stomach contents into the esophagus. This ...
... the sexual activity happens even though you don't agree to it. Sexual assault may happen with: ... say what you want to do and don't want to do Are not underage Are not ...
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 ...
... high. When you have diabetes, your body doesn't make enough insulin, can't use it as well as it should, or ... much glucose stays in your blood and doesn't reach your cells. Over time, having too much ...
... These cells are called "precancers." If they aren't destroyed or removed, they may become cancer cells ... who are infected have no symptoms and don't know they have it. If you're infected ...
... trachomatis. Anyone can get chlamydia. It often doesn't cause symptoms, so people may not know that ... to get infected with chlamydia if you don't consistently use a condom or if you have ...
... ketoacidosis (DKA). It happens when your body doesn't have enough insulin to allow glucose into your ... in your pancreas that make insulin. Researchers don't yet know exactly why this happens. Genes and ...
... 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, ...
... 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, ...
... age and health. To get started, you don't need fancy equipment, but having the right tools ... can lower your risk ofback injuries. If youhaven't exercised in a while, start slowly and talk ...
... body needs to work correctly. Some genes don't make proteins themselves but instead help control how ... the instructions for making proteins. If genes don't make the right proteins, or don't make ...
... Without the blood coming in, the heart can't get oxygen. If not treated quickly, the heart ... During a heart attack, the heart usually doesn't suddenly stop beating. With a sudden cardiac arrest, ...
... blood flow Heart failure - when your heart can't pump enough blood to meet your body's needs ... have "silent" heart disease, meaning that they don't have symptoms. Health care providers may not recognize ...
... failure? Heart failure means that your heart can't pump enough oxygen-rich blood to meet your body's needs. Heart failure doesn't mean that your heart has stopped or is ...
... you have type 2 diabetes, your body doesn't make enough insulin or doesn't use it well. This is called insulin resistance. ... body is resistant to insulin, then insulin can't get enough glucose into your cells. This then ...
... counter medications for pain and fever. But don't give aspirin to children or teens because it ... body are affected by the mono. Antibiotics don't treat viral infections, so they do not help ...
... is a milder, flu-like illness that doesn't infect your lungs. What causes Legionnaires' disease? You usually can't get infected by drinking water that contains the ...