Medical Conditions
Depression, chronic stress, bipolar disorder, etc. are considered mood disorders. It has been suggested that such disorders result from chemical imbalances in the brain's neurotransmitters, however some research challenges this hypothesis.
Read more about this topic: Mood (psychology)
Famous quotes containing the words medical and/or conditions:
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—Samuel Fuller (b. 1911)
“The prime lesson the social sciences can learn from the natural sciences is just this: that it is necessary to press on to find the positive conditions under which desired events take place, and that these can be just as scientifically investigated as can instances of negative correlation. This problem is beyond relativity.”
—Ruth Benedict (1887–1948)