Why are improvements in life expectancy slowing in the United Kingdom and across Europe?

Why are improvements in life expectancy slowing in the United Kingdom and across Europe? International monitoring and co-operation can be invaluable in tackling global health problems because often the drivers and solutions are common across national boundaries. This is vital and done routinely in the context of infectious disease, as evident currently in the Covid-19 (coronavirus) context, but it can be important also in the context of non-communicable diseases. The King's Fund