For more on the power of positive thinking from Michigan University see: https://www.uofmhealth.org/node/651843
To learn more see: https://www.springer.com/gp/about-springer/media/research-news/all-english-research-news/doing-good-deeds-helps-socially-anxious-people-relax/679444
*From a Penn State University study. Read more at: http://news.psu.edu/story/343727/2015/02/05/research/annual-report-offers-snapshot-us-college-students%E2%80%99-mental-health
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