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Definition Cirrhosis is a late-stage liver disease in which healthy liver tissue is replaced with scar tissue and the liver is permanently damaged. Scar tissue keeps your liver from working properly. Many types of liver diseases and conditions injure healthy liver cells, causing cell death and inflammation. This is followed …

What is common cold? The common cold is a viral infection of your nose and throat (upper respiratory tract). It’s usually harmless, although it might not feel that way. Many types of viruses can cause a common cold. Children younger than 6 are at greatest risk of colds, but healthy …

Definition Charcot Marie Tooth Disease or CMT is named after the three neurologists who first described the condition in 1886. It is the most common inherited neuromuscular disorder, affecting approximately 1 in 2,500 individuals. The other term commonly used to describe the condition is hereditary motor and sensory neuropathy (HMSN). …

Overview Compulsive sexual behavior is sometimes called hypersexuality, hypersexuality disorder or sexual addiction. It’s an excessive preoccupation with sexual fantasies, urges or behaviors that is difficult to control, causes you distress, or negatively affects your health, job, relationships or other parts of your life. It may involve a variety of …

What is Carcinoid Syndrome? Carcinoid syndrome is a group of symptoms you might have with a type of cancer called carcinoid tumors. These tumors start in cells that make certain chemicals, and they release more of those chemicals into your bloodstream. The symptoms can be similar to those of other …

Definition Claudication is the crampy pain in patient’s legs with peripheral arterial disease. It often develops after walking a certain distance. The pain usually resolves with rest and is predictable. Patients tend to have this pain after walking a certain distance and they adjust their lives accordingly. The pain can …

Definition Congenital adrenal hyperplasia is a genetic disorder of the adrenal glands. If your child has this condition, it means that her adrenal glands don’t produce enough of the vital hormones cortisol and aldosterone. As a result, her body produces too much androgen. When there is not enough cortisol and …

Introduction Childhood obesity is a serious medical condition that affects children and adolescents. Children who are obese are above the normal weight for their age and height. Childhood obesity is particularly troubling because the extra pounds often start children on the path to health problems that were once considered adult …