Comment by arcticbull

There's been a few over the years.

[1] 2016: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5015806/

[2] 2015: https://journals.sagepub.com/doi/abs/10.1177/095679761557036...

[3] 2012: http://www.psychologicalscience.org/news/releases/broken-hea...