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Emotional disorders
Emotional disorders A psychological disorder characterized by maladjustive emotional reactions such as irrational or uncontrollable fears, persistent anxiety, or extreme hostility.
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Psychological
Pertaining to mental life as manifested through language and behavior.
Anxiety
A psychological and/or biological response to stress. Feelings of anxiety involve discomforting apprehension or concern, which may include symptoms such as cognitive difficulties, hypersensitivity, dizziness, muscular weakness, breathing difficulties, irregular heart beat, sweating, and sensations of fear. Typically, anxiety is a natural and healthy response to life experiences. However, exaggerated or chronic anxiety often indicates an anxiety disorder. Anxiety can be produced by external stress (exogenous anxiety) or internal stress (endogenous anxiety).
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Emotional eating
Emotional eating is the practice of consuming large quantities of food -- usually "comfort" or junk foods -- in response to feelings instead of hunger. Experts estimate that 75% of overeating is caused by emotions.
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Erectile dysfunction
A man's consistent inability to achieve or maintain an erection during intercourse; commonly known as impotence.
Ependymoma
Ependymal tumors are tumors that begin in the ependyma, the cells that line the passageways in the brain where special fluid that protects the brain and spinal cord (called cerebrospinal fluid) is made and stored. There are different kinds of ependymal tumors, which are defined by how the cells look under a microscope.
Esophageal cancer
Esophageal cancer is cancer of the esophagus. The esophagus is a hollow tube that carries food and liquids from the throat to the stomach. When a person swallows, the muscular walls of the esophagus contract to push food down into the stomach. Glands in the lining of the esophagus produce mucus, which keeps the passageway moist and makes swallowing easier. The esophagus is located just behind the trachea (windpipe). In an adult, the esophagus is about 10 inches (25 cm) long.
Epilepsy
Sudden and recurrent disturbances in mental function, state of consciousness, sensory activity, or movements of the body, caused by paroxysmal malfunction of cerebral nerve cells. Epilepsy includes generalized convulsions in which there is sudden unconsciousness with falling and shaking of limbs, momentary lapses of awareness, and local movements and sensations in parts of the body, as well as other types of activity that may include bizarre automatic behaviour, strange memories, illusory and hallucinatory experiences, and changes in mood.
Eating disorders
A group of disorders in which there are significant disturbances in eating. Two common examples are Anorexia Nervosa, a refusal to maintain an acceptable body weight for one’s age and height: and Bulimia Nervosa, uncontrollable binge eating which may be followed by purging the food through self-induced vomiting, laxatives or diuretics.
Emotional disorders
Erythematous
Redness of the skin caused by congestion of the capillaries, often due to inflammation or infection.
Epinephrine
One of two chemicals (the other is norepinephrine) released by the adrenal gland that increases the speed and force of heart beats. It dilates the airways to improve breathing and narrows blood vessels in the skin and intestine so that an increased flow of blood reaches the muscles and allows them to cope with the demands of exercise.
Endoplasmic reticulum
A network or system of folded membranes and interconnecting tubules distributed within the cytoplasm of eukaryotic cells. The membranes form enclosed or semienclosed spaces. The endoplasmic reticulum functions in storage and transport, and as a point of attachment of ribosomes during protein synthesis.
Erythromycin
An antibiotic derived from the bacterium Streptomyces erythreus which is especially effective against gram positive bacteria. This antibiotic is often used to treat people who are allergic to penicillin, to treat penicillin-resistant infections and acne.
Emphysema
Lung disease where the alveoli -parts of the lungs where gas is exchanged- have lost their elasticity. Breathing becomes increasingly difficult, and emphysema patients have to use other muscles to breathe out. The main cause of emphysema is smoking.
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