- 问题详情:Sittingformorethanthreehoursadaycandecreaseaperson’slifeexpectancy(预期寿命)bytwoyears,evenifheorsheisphysicallyactiveandgetsridofdangeroushabitslikesmoking,accordingtoastudy.WatchingTVformorethantwohoursadaycanworsenthatproblem,decreasingli...
- 31804