are taking measures to try and reduce the number of people who smoke but then in other countries, we see rising numbers. there s a mixed picture here in the research. i mean, it is all modelling, all forcasting, so we don t know whether this will play out but in developing countries, there seems to be a larger projected increase in terms of the population numbers that they have got. a lot of that was due to population growth, but some of it is also adopting different lifestyle habits that have been seen in the past as western world problems, obesity, lots of sugar in the diet, those types of things have been seen as a richer nation problem, but there is a stark warning there for the whole globe. one of the changes announced earlier this week to covid testing rules, for people travelling to the uk from abroad, has come into effect. pre departure tests are no longer needed for those who are fully vaccinated. people are also no longer required to self isolate while they wait for the resul