professor maciej banach from the medical university of lodz in poland was involved in the research. had in the previous studies about the the optimal number over which we might observe health benefits should be between 6,000 to 10,000. we use the occasion to have 17 cohort studies with almost 230,000 patients in order to check and investigators. and indeed, we've noticed that it is enough to have around 4,000 and more, obviously, in order to see significant benefits take into account the reduction of mortality. obviously, the main message concerning the steps number does not change. so the more steps we can do, the better health effects we might observe even up to 20,000 steps per day because we were able to restrict our analyses to this number. stay with us. plenty more to come. behind me it's rather murky weather, but for many there is sunshine on offer. a brief lived burst of summer. we have got weak weather fronts around, that is what is bringing the murky weather around, it is giving some drizzle to northern ireland moving to scotland. the high pressures moving northwards dryin