General

A condition in which a person does not get enough sleep or does not receive quality sleep is called sleep deprivation. While this condition causes mild symptoms in short periods, long-term (chronic) sleep deprivation may lead to severe symptoms that interfere with daily routine. Moreover, individuals who experience this condition for an extended period may […]

A health condition in which the arteries that supply the kidneys with oxygen-rich blood are narrowed is called renal artery stenosis (RAS). Commonly, people develop it due to atherosclerosis. If you suspect you have RAS, immediately contact your doctor. Without treatment, this condition can cause chronic kidney disease or even kidney failure. To treat this […]

A condition in which you physically act out of the dreams unknowingly while you are sleeping is called REM sleep behavior disorder (RBD). Movements that occur during sleep may cause injuries to the bed partner, especially if you are acting out a violent nightmare. If your partner suspects RBD, you should contact your healthcare professional […]

A condition that causes severe emotional pain due to a failure or feeling rejected is called rejection-sensitive dysphoria (RSD). Usually, this disorder is linked to attention-deficit/hyperactivity disorder (ADHD), and healthcare providers suspect it occurs due to some differences in brain structures. It means the brain cannot regulate rejection-related emotions and behaviors, which makes them become […]

A benign (noncancerous) vocal cord disorder that occurs commonly in people with a long-term history of smoking is called Reinke’s edema. The most common symptoms include a deeper voice and hoarseness. While smoking cessation may help mild forms of the condition, most people require surgery to treat it. In other words, this condition causes swelling […]

A genetic disorder that occurs quite rarely and causes problems with breaking down fat is called Refsum disease. When this condition occurs in children, it is more severe and often affects their life expectancy. In most cases, the symptoms of people with Refsum disease are managed with some dietary changes. Generally, this condition is divided […]

Common eye disorders that make your vision blurry are called refractive errors. In most cases, people improve their vision with a pair of glasses or contact lenses only. Normally, the parts of the eyes work together, similar to a relay team, to pass light that enters the eye along a pathway to the brain. First, […]

A health condition that may occur in a person who is malnourished when beginning to feed again is called refeeding syndrome. Moreover, if the food is introduced too fast, it may lead to serious and even life-threatening complications. It happens because the way our bodies change when they are deprived of nutrients. For instance, when […]

A health condition in which a part of the large bowel slips down inside the anus is called rectal prolapse. It occurs when the muscles that hold it in place become weakened. Usually, this disorder looks similar to hemorrhoids. While hemorrhoids may go away on their own, rectal prolapse requires surgery to fix it. The […]

A condition in which a person experiences sudden headaches and other disruptive brain symptoms is called reversible cerebral vasoconstrictive syndrome (RCVS). The symptoms of this disorder are usually similar to other medical emergencies, including brain bleeding and strokes. People who develop RCVS require immediate treatment. Otherwise, it may lead to permanent damage to the brain […]