For 75 years, we've tracked the lives of 724 men, year after year, asking about their work, their home lives, their health, and of course asking all along the way without knowing how their life stories were going to turn out.
۷۵ سال، زندگی ۷۲۴ مرد را زیر نظر گرفتیم هر سال در مورد کار محل زندگی و سلامتی آنها که همه این سوالات بدون اطلاع از زندگی آنها پرسیده می شد وآغاز شد