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(p. 7) Symptoms, Prevalence, and Causes of SAD 

(p. 7) Symptoms, Prevalence, and Causes of SAD
Chapter:
(p. 7) Symptoms, Prevalence, and Causes of SAD
Author(s):

Kelly J. Rohan

DOI:
10.1093/med:psych/9780195341379.003.0002
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date: 18 July 2019

Chapter 2 summarizes the symptoms, prevalance, and causes of SAD, including what SAD is, emotional, cognitive, behavioral and physical symptoms, the vicious cycle of SAD, how common SAD is, possible causes of SAD (phase-shift hypothesis, photoperiodic hypothesis, photon-count hypothesis, the serotonin hypothesis), and the influence of thoughts and behaviors on SAD.

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