so this is a study that is going to look at people who do not have type 2 diabetes right it's an exclusion criteria and they are over the age of 65 65 to 79. okay so 65 to 79 no diabetes no type 2 diabetes any other exclusion criteria yes but it's not important for our discussion so if you have cancer in the last year okay things like that yeah yeah very specific if you had the heart attack in the last three months but again these people are going to be taking statins they're going to be taking medication for blood pressure some of them will be overweight some of them will be normal weight presumably right the point the point here though is that look we don't want to recruit a bunch of centenarians you don't want to be you don't recruit future centenarians here you're not going to get an answer so they have to have something okay they have to have for example walking speed less than six uh meter you know per second is is a an inclusion criteria you have to have something i see so you don't want you don't want exceptionally fit people in this group right