Angelman syndrome facts* *Angelman syndrome facts medically edited by: Melissa Conrad Stöppler Angelman syndrome is a genetic disorder with characteristic features that include severe speech impairment, developmental delay, intellectual disability, and ataxia (problems with movement and balance). Angelman syndrome is named after the physician Harry Angelman who first delineated the syndrome in 1965. Angelman syndrome affects an estimated 1 in...

Exercise Stress Test Introduction A stress test can be used to test for heart disease. Stress tests are tests performed by a doctor and/or trained technician to determine the amount of stress that your heart can manage before developing either an abnormal rhythm or evidence of ischemia (not enough blood flow to the heart muscle). The most commonly performed stress...

Club drugs are a pharmacologically heterogeneous group of psychoactive drugs that tend to be abused by teens and young adults at bars, nightclubs, concerts, and parties. Gamma hydroxybutyrate (GHB), Rohypnol, ketamine, as well as MDMA (ecstasy) and methamphetamine are some of the drugs included in this group. GHB (Xyrem) is a central nervous system (CNS) depressant that was approved by...

What is the most common cause of sex problems among men and women? While they can take many forms, sexual problems are defined as any physical or emotional issue that prevents a couple from achieving a mutually satisfying intimate relationship. Among the most common for men include prostate problems, a decrease in the blood supply to the penis due to...