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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 ...
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 ...
What are club drugs? Club drugs are group of psychoactive drugs. They act on the central nervous system and can cause changes in mood, awareness, and ...
What is cocaine? Cocaine is a very addictive drug that is made from leaves of the coca plant found in South America. It is mostly available as an illegal ...
What are cold and cough medicines? Cold and cough medicines can help relieve symptoms of a common cold. The symptoms of a cold can include a sore throat, ...
A collapsed lung happens when air enters the pleural space, the area between the lung and the chest wall. If it is a total collapse, it is called pneumothorax. ...
What are colonoscopy and flexible sigmoidoscopy? Colonoscopy and flexible sigmoidoscopy are procedures that let your doctor look inside your rectum and ...
What is colorectal cancer? Colorectal cancer is cancer that develops in the tissues of the colon or rectum. Your colon and rectum are part of your digestive ...
A coma is a deep state of unconsciousness. An individual in a coma is alive but unable to move or respond to his or her environment. Coma may occur as ...
What is the common cold? The common cold is a mild infection of your upper respiratory tract (which includes your nose and throat). Colds are probably ...
Many Americans use medical treatments that are not part of mainstream medicine. When you are using these types of care, it may be called complementary, integrative, ...
A concussion is a type of brain injury. It involves a short loss of normal brain function. It happens when a hit to the head or body causes your head and ...
What are congenital heart defects? Congenital heart defects (CHDs) are problems with the structure of the heart. "Congenital" means that that the problems ...
What is COPD (chronic obstructive pulmonary disease)? COPD (chronic obstructive pulmonary disease) is a group of lung diseases that make it hard to breathe ...
Cosmetics are products you apply to your body to clean it, make it more attractive, or change the way it looks. They include: Hair dyes Makeup Perfumes Skin-care ...
When someone's blood flow or breathing stops, seconds count. Permanent brain damage or death can happen quickly. If you know how to perform cardiopulmonary ...
What is Crohn's disease? Crohn's disease is a chronic (long-lasting) disease that causes inflammation in your digestive tract. It can affect any part of ...
What is cryptosporidiosis? Cryptosporidiosis is a contagious disease that causes watery diarrhea. It is caused by parasites called Cryptosporidium, or ...
Your scalp is the skin on the top of your head. Unless you have hair loss, hair grows on your scalp. Different skin problems can affect your scalp. Dandruff ...
