three million people who took part in 100 different studies. thoses with higher body mass index did not necessarily have higher mortality risk but that does not mean we should cancel our new year s resolutions because they say it is still important to eat right and stay active. with us from the university hospitals of cleveland, doctor, it is good to be 2359, right? guest: no, of course not. gregg: is this a reliable study? guest: remember, these are 100 studies they grouped together. it is not a study. they have looked at 100 studies done by different people with, perhaps, different types of study methods. that is not the point. they are talking about mortality. that is death.