Do seasons have an influence on the incidence of depression? The use of an internet search engine query data as a proxy of human affect.
PLoS ONE. 2010; 5(10):e13728
Yang AC, Huang NE, Peng CK, Tsai SJ. PLoS ONE. 2010; 5(10):e13728
By making extremely clever use of data that are available to everyone for free from Google Insights for Search, the authors provide a spectacular demonstration of what was suspected by almost everyone since Hippocrates, i.e. that seasons have an effect on moods, and in particular on the incidence of depression.
To achieve this they...
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