Editor's choice— Amalberti, R., Vincent, C., Nicklin, W. and Braithwaite, J. (2018) Coping with more people with more illness. Part 1: the nature of the challenge and the implications for safety and quality. International Journal for Quality in Health Care, myx235. doi: 10.1093/intqhc/mzy235. [https://academic.oup.com/intqhc/advance-article/doi/10.1093/intqhc/mzy235/5196520]