WATCH: Why are so many people on strike?published at 14:37 Greenwich Mean Time 15 December 2022
Nurses are staging the biggest strike in NHS history with calls for a 19% pay rise.
The Royal College of Nursing says below inflation increases are compromising care by making it hard to attract and retain nurses.
The latest edition of Make Sense of Your World takes an in-depth look at why the UK is seeing nurses and so many other workers on picket lines.