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A reddish, scaly rash often located over the surfaces of the elbows, knees, scalp, and around or in the ears, navel, genitals or buttocks...
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The Sex & Love Quiz
The brain. The body. The bedroom. What do you know?
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Chronic obstructive pulmonary disease (COPD) is a lung condition in which there is a long-lasting obstruction of the airways, and occurs with emphysema, chronic...learn more »
CPR, or cardiopulmonary resuscitation is a procedure a person can use to assist a person who is in cardiac arrest. Providing CPR to a person who is in cardiac a...learn more »
Dementia is the loss of reasoning, memory, and other mental abilities. Dementia may be caused by irreversible as well as treatable causes. A variety of tests (b...learn more »
End-stage renal disease is the name for kidney failure so advanced that it cannot be reversed. Dialysis and kidney transplantation are the only treatments for e...learn more »
Asthma is a disease that affects the breathing passages of the lungs (bronchioles). Asthma may be caused by genes and environmental factors. Asthma causes wheez...learn more »
Diseases of the thyroid gland can lead to hyperthyroidism, hypothyroidism, thyroid nodules, thyroid goiters, or thyroid cancer. Causes of hypothyroidism include...learn more »
Anemia can be caused by many conditions and diseases such as iron deficiency, poor diet and nutrition, cancers, bone marrow problems, and more. Symptoms of anem...learn more »
CT was discovered independently by a British engineer named Sir Godfrey Hounsfield and Dr. Alan Cormack. It has become a mainstay for diagnosing med...learn more »
Magnetic resonance imaging (MRI) is a scanner that takes cross-sectional images of the body. It is used to evaluate tissues of the head, neck, chest, limbs, abd...learn more »
A spinal tap is a procedure performed when a doctor needs to look at the cerebrospinal fluid (also known as spinal fluid). Spinal tap is also referred to as a l...learn more »
Mad cow is an infectious disease in the brain of cattle. Variant Creutzfeldt-Jakob disease is the human form of mad cow disease. Symptoms and signs include musc...learn more »
Cigarette smoking remains the leading cause of death and illness among Americans. Effects of smoking can cause cancers, emphysema, bronchitis, COPD, chronic cou...learn more »
Seizures refer to uncontrolled electrical activity in the brain. Symptoms of seizures range from mild to severe and can lead to death. A number of factors can l...learn more »
Hemoglobin is the protein molecule in red blood cells that carries oxygen from the lungs, to the body 's tissues, and returns carbon monoxide from the tissues b...learn more »
HIV has killed about 25 million individuals, and approximately 40 million people are currently living with the disease. Symptoms and signs of HIV include fever...learn more »
Fainting or syncope, is a temporary loss of consciousness. Causes of fainting include vasovagal, situational, postural, cardiac, neurologic, and psychogenic. Tr...learn more »
Concussion (an injury to the brain) can be cause by significant blunt force trauma to the head, for example, falls, car accidents, being struck in the head. Tre...learn more »
Autopsy is a medical procedure that involves the examination of a deceased persons body. The word autopsy is derived from the Greek word autopsia, which means "...learn more »
Electrolyes including sodium, potassium, and magnesium, are chemicals that help the cells and organs of the body function. Electrolyte imbalance can result from...learn more »
High cholesterol levels can lead to heart disease, stroke, angina, blood clot formation, stroke, peripheral artery disease, and more. Causes of high cholesterol...learn more »
Placenta previa (also called low lying placenta) is a complication of pregnancy in which the placenta rests low in the uterus (womb) and covers all or part of t...learn more »
Ascites is an accumulation of fluid in the peritoneal cavity (abdominal cavity). The primary cause of ascites is liver disease such as cirrhosis, acute liver fa...learn more »
Coma is a state of unconsciousness in which the patient does not consiously respond to the environment and stimuli. Causes of coma include head trauma, bleeding...learn more »
Diagnostic x-rays are safe. But who hasn't wondered about them when undergoing a chest x-ray, mammogram, routine dental x-rays, or an x-ray for a broken bone?
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Complete blood count (CBC) is one of the most common blood tests. The complete blood count test provides valuable information about the quantity of the differen...learn more »
Coronary heart disease (CHD), also called coronary artery disease, affects about 14 million men and women in the United States. Disease develops when a combinat...learn more »
Alzheimer's disease (AD) is the most common cause of dementia in industrialized nations. Dementia is a brain disorder that interferes with a person's ability to...learn more »
The circulatory system consists of 2 types of blood vessels: arteries and veins. These are tubular structures that carry the blood throughout the body.
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