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Chiropractic is a health care profession. Chiropractors perform adjustments (manipulations) to the spine or other parts of the body. The goal is to correct alignment ...
What is chlamydia? Chlamydia is a common sexually transmitted infection (STI). It is caused by bacteria called Chlamydia trachomatis. Anyone can get chlamydia. ...
Food or small objects can cause choking if they get caught in your throat and block your airway. This keeps oxygen from getting to your lungs and brain. If ...
Cholera is a bacterial infection that causes diarrhea. The cholera bacterium is usually found in water or food that has been contaminated by feces (poop). Cholera ...
What is cholesterol? Cholesterol is a waxy, fat-like substance that's found in all the cells in your body. Your body needs some cholesterol to make hormones, ...
What is cholesterol? Cholesterol is a waxy, fat-like substance that that's found in all the cells in your body. Your body needs some cholesterol to work ...
What is cholesterol? Cholesterol is a waxy, fat-like substance that that's found in all the cells in your body. Your body needs some cholesterol to work ...
We all want high-quality health care, but it's hard to know how to choose. There are many things to consider, including: What your insurance covers Whether ...
What is chronic bronchitis? Chronic bronchitis is a type of COPD (chronic obstructive pulmonary disease). COPD is a group of lung diseases that make it ...
You have two kidneys, each about the size of your fist. Their main job is to filter your blood. They remove wastes and extra water, which become urine. They ...
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 ...
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 ...
Pain is a signal in your nervous system that something may be wrong. It is an unpleasant feeling, such as a prick, tingle, sting, burn, or ache. Pain may ...
What is circumcision? Circumcision is a surgical procedure to remove the foreskin from the penis. The foreskin is the loose skin that covers the tip of ...
Cirrhosis is scarring of the liver. Scar tissue forms because of injury or long-term disease. Scar tissue cannot do what healthy liver tissue does - make protein, ...
Where are germs found? Germs are a part of everyday life. Some of them are helpful, but others are harmful and cause disease. They can be found everywhere - ...
Cleft lip and cleft palate are birth defects that occur when a baby's lip or mouth do not form properly. They happen early during pregnancy. A baby can have ...
Climate is the average weather in a place over a period of time. Climate change is major change in temperature, rainfall, snow, or wind patterns lasting for ...
Clinical trials are research studies that test how well new medical approaches work in people. Each study
answers scientific questions and tries to find better ...
Cloning describes the processes used to create an exact genetic replica of another cell, tissue or organism. The copied material, which has the same genetic ...