Mojgan Sherkat, ‘Pessimists – You Aren’t Alone in Feeling Down – New study by UC Riverside psychology professor proves that even optimists get the blues’, https://ucrtoday.ucr.edu/42858, The University of California, Riverside (DECEMBER 13, 2016).
Optimists and pessimists
The tendency to brace for the worst is actually quite common. (…) Not a single study showed a difference between optimists and pessimists in their tendency to brace for the worst. (…) It seems that even the most ardent optimists can temper their positive outlook when it pays to do so.