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In medicine, a cathartic is a substance that accelerates defecation. This is similar to a laxative, which is a substance that eases defecation, usually by softening feces. [1] It is possible for a substance to be both a laxative and a cathartic. However, agents such as psyllium seed husks increase the bulk of the feces. [2] [3]
Catharsis is from the Ancient Greek word κάθαρσις, katharsis, meaning "purification" or "cleansing", commonly used to refer to the purification and purgation of thoughts and emotions by way of expressing them. The desired result is an emotional state of renewal and restoration.
This is a list of psychiatric medications used by psychiatrists and other physicians to treat mental illness or distress.. The list is ordered alphabetically according to the condition or conditions, then by the generic name of each medication.
Beside psychotherapy, a wide range of medication is used in the treatment of mental disorders. The first drugs used for this purpose were extracted from plants with psychoactive properties. Louis Lewin, in 1924, was the first one to introduce a classification of drugs and plants that had properties of this kind. [13]
Freud defined cathexis as an allocation of libido, pointing out for example how dream thoughts were charged with different amounts of affect. [5] A cathexis or allocation of emotional charge might be positive or negative, leading some of his followers to speak of a cathexis of mortido as well. [6]
Psychoactive drugs operate by temporarily affecting a person's neurochemistry, which in turn causes changes in a person's mood, cognition, perception and behavior. There are many ways in which psychoactive drugs can affect the brain. Each drug has a specific action on one or more neurotransmitter or neuroreceptor in the brain.
'Interior Chinatown' star Chloe Bennet is opening up about how her experiences as a half-Asian actress in Hollywood led to her role in the new Hulu show.
Chemical structure of scammonin I, one of the primary chemical constituents of jalap. Jalap is a cathartic drug, largely obsolete in Western medicine, consisting of the tuberous roots of Ipomoea purga, a convolvulaceous plant growing on the eastern declivities of the Sierra Madre Oriental of Mexico at an elevation of 5,000 to 8,000 feet (1,500 to 2,400 m) above sea level, more especially about ...