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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 ...
What is coronary artery bypass surgery? Coronary artery bypass surgery creates a new path for blood to flow to your heart. This surgery is sometimes called ...
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 ...
What is dehydration? Dehydration is a condition caused by the loss of too much fluid from the body. It happens when you are losing more fluids than you ...
What is delirium? Delirium is a mental state in which you are confused, disoriented, and not able to think or remember clearly. It usually starts suddenly. ...
What is dementia? Dementia is a loss of mental functions that is severe enough to affect your daily life and activities. These functions include: Memory ...
What is dengue? Dengue is a viral infection. It can be caused by four related viruses. You can get it if an infected mosquito bites you. It is common ...
What is depression? Depression is more than a feeling of being sad or irritable for a few days. It's a serious mood disorder. As one of the most common ...
What are developmental disabilities? Developmental disabilities are conditions that are usually present at birth. They can affect a child's growth and ...
What is diabetes? Diabetes, also known as diabetes mellitus, is a disease in which your blood glucose, or blood sugar, levels are too high. Glucose is ...
