…. In multiple experiments, we found that people who positively fantasise about the future don’t, in fact, work as hard as those with more negative, questioning or factual thoughts, and this leaves them to struggle with poorer performance….
….We suspected that positive thinking reduced the likelihood of depression in the moment, but increased the chances of it occurring over a longer period. To test that hypothesis, we conducted a similar study among schoolchildren, only this time we checked back after seven months. Once again, we found a correlation between positive fantasies and greater long-term levels of depression….
read more at https://aeon.co/essays/thinking-positive-is-a-surprisingly-risky-manoeuvre?utm_source=Aeon+Newsletter&utm_campaign=2884b8caac-EMAIL_CAMPAIGN_2017_08_15&utm_medium=email&utm_term=0_411a82e59d-2884b8caac-68844613