One study showed therapeutic blood letting improved biomarkers for patients with non-alcoholic fatty liver disease, a condition that commonly appears with diabetes.

一项研究表明，治疗性放血改善了非酒精性脂肪肝患者的生物标记。非酒精性脂肪肝通常出现在糖尿病患者身上。

So, the rusting long distance runner Aaron Gordon had his life saved and his health returned to normal with one of the oldest medical practices — blood letting.

因此，铁超标的长跑运动员亚伦·戈登通过一种最古老的医疗手段——放血，保住了自己的生命，恢复了健康。

In the earlier mentioned book, survival of the sickest, Dr. Moalem says that surely blood letting must have conferred some benefit since it was so widespread and practiced for so long.

在之前提到的《病重者的生存》一书中，莫阿勒姆博士说，放血肯定带来了一些好处，因为放血如此广泛，实施了这么长时间。