But here's the thing: Why was bloodletting so popular in so many places for so long?

为什么这么长时间以来，放血在那么多地方如此流行？

They include bloodletting tools and cobalt glass bottles to store poisonous liquids.

包括采血工具和储存有毒液体的钴蓝色玻璃瓶。

The bloodletting in public markets has left many wondering about private technology startups.

公开市场上的大出血让许多人对私营科技初创公司产生了怀疑。

To correct the balance of these fluids, doctors employed dangerous treatments like bloodletting and purging.

为了矫正这四种体液的平衡，医生采用了放血和净化等危险的治疗方法。

Physicians would try any desperate measure, bloodletting was tried, leeches were used, but none seemed to work.

内科医生用尽各种权宜之计，尝试过放血 水蛭吸血等方法 但没有一种方法得见起效。

Scenes depicting ritual bloodletting as well as parades of musicians hint at a complex culture that fascinates us to this day.

描绘放血仪式和乐师游行的场景暗示了一种复杂的文化，至今仍吸引着我们。

Therapeutic phlebotomy or bloodletting can be used to manage iron overload, as well as deferoxamine, an iron chelating agent.

治疗性静脉切开术或放血疗法可用于治疗铁超负荷，也可使用铁螯合剂去铁胺。

Some seem strange now, like the bloodletting tools.

有些现在看起来很奇怪，比如放血工具。

It is not clear that such bloodletting is required.

目前尚不清楚是否需要这样的放血。

First, the chosen ones had to complete a four-day fasting and bloodletting ritual.

首先， 被选中的人必须完成为期四天的禁食和放血仪式。

Between the breach and the bloodletting, it quickly ran out of nitrogen.

先是泄漏，再是放血，我的氮气罐早已空了。

The suit saw this problem and moved into an emergency mode the engineers call " bloodletting."

太空服对这个事态作出的反应就是切换到应急模式，工程师们称之为“放血”。

He argues persuasively that the underlying cause of the bloodletting, which still continues on a reduced scale, was the collapse of the Iraqi state.

他以令人信服的口吻强调了流血事件的原因是伊拉克的衰落，目前流血事件虽然减少，但是仍在发生。

So, maybe all those bloodletting patients from the past didn't understand what improvements in biomarkers meant, but found that they felt a little better.

所以，也许过去所有放血的病人都不明白生物标记的改善意味着什么，但他们发现自己感觉好了一点。

Even today, we still use urine to diagnose people, but we don't usually recommend bloodletting, which was the most common treatment of the middle ages.

即使在今天，我们仍然用尿液来诊断人，但是我们通常不建议放血——这是中世纪最常见的治疗方法。

These categories are animal cures, medicines such as potions, fumigation, bloodletting, and pastes, flight from infected areas and persecution of marginalized communities, religious cures, and quarantine.

这些类别包括动物治疗、药水、熏蒸、放血和药膏等药物、逃离感染地区和迫害边缘化社区、宗教治疗和检疫。

These could include bloodletting, which involved draining (sometimes concerningly large amounts of) blood in an attempt to remove poison or restore the body's natural balance.

这些可能包括放血，其中涉及排出（有时令人担忧的大量）血液以试图去除毒物或恢复身体的自然平衡。

On the other hand, the belief that bloodletting is a great way to cure all illnesses is an untrue belief that leaves us powerless in actually curing them.

另一方面，认为放血是治愈所有疾病的好方法，这是不真实的信念，它让我们无力真正治愈疾病。

Another popular remedy was bloodletting, which was belief that drawing out bad blood that caused illness would then be restored by good blood, with the most popular method of this being with leeches.

另一种流行的治疗方法是放血，这是一种信念，即抽出导致疾病的坏血，然后用好血恢复，最流行的方法是用水蛭。

People resorted to drilling holes in peoples heads, bloodletting and leeching, arsenic, incantations, and a host of balms and salves that could work… but could also ultimately kill a person faster than the pathogens would.

人们求助于在人的头部钻洞、放血和吸血、砒霜、咒语，以及一系列可能有效的药膏… … 但最终这也可能比病原体更快地杀死一个人。