Haemophilia is a condition that affects mostly males.

血友是一种主要影响男性的。

Today, we know that the doctors had prescribed aspirin, a drug that worsens hemophilia.

现今，我们知道那些医生开的处方是阿司匹林。这种药会让血友恶化。

Alexei, the heir to the throne, had a life-threatening blood disease called hemophilia.

阿列克谢是王位的继承人，他得了血友，这是一种可能会致死的血液。

When hemophiliacs get a cut, the bleeding lasts much longer than in normal people.

如果血友患，那么出血的时间要远长于正人。

It is a group of genetic disorders that makes it difficult for the body to stop cuts bleeding.

血友是遗传，人会出现频繁出血情况。

Finally, it's best for individuals with hemophilia to avoid contact sports and medicines that promote bleeding, like aspirin.

最后对于血友患来说，最好避免接触性运动，不用促进血流的药物，如阿司匹林。

This is because the process called hemostasis, literally meaning to stop the flow of blood, is impaired.

这是因为血友患的止血过程损，即其凝血功能出现障碍。

Hemophilia usually refers to inherited deficiencies of coagulation factors, which can be either quantitative or qualitative.

血友通是指遗传性的凝血因子缺乏症，可以是数量或活性上的缺陷。

On WHD, organizations around the world organise a wide range of activities, events, and campaigns to help hemophiliacs.

在这一天，全球血友机构会开展一系列活动，帮助血友患。

And this deficiency is called hemophilia A (or classic hemophilia).

这种缺乏症也称作血友A（甲型血友）或经典血友。

The reason it's on April 17 is because that's the birthday of the World Foundation for Hemophilia (WFH) founder Frank Schnabel.

由于4·17是世界血友联盟发起人法兰克·舒纳波的生日，所以将该日定为4月17日。

An insufficient concentration or decreased activity of any coagulation factor can cause hemophilia, except factor XII deficiency which is asymptomatic.

任何凝血因子的浓度不够或活性降低都会引起血友，一个例外是缺乏因子XII的话，不会有相关症状出现。

Examples of blood disorders are anemia, leukemia, lymphoma and bleeding disorders like haemophilia.

血液的例子包括贫血、白血、淋巴瘤和出血性如血友。

The youngest of five children, he was born with hemophilia (when blood doesn’t clot).

他是五个孩子中最小的一个， 生来就患有血友（当血液不凝固时）。

That's  why colorblindness, hemophilia, and muscular dystrophy are much more common in human males.

这就是为什么色盲、血友和肌肉萎缩症在男性中更为见的原因。

He was born with haemophilia, an illness in which blood doesn't clot or come together.

他出生时患有血友，这是一种血液无法正凝结的。

And also how he knows exactly that he's a hemophiliac.

还有他是如何确切知道自己是血友患的。

Look on the bright side-- you're not a hemophiliac.

往好的方面想 你不是血友患。

You're a hemophiliac. You can bleed to death.

你有血友 你可能会流血致死。

Some people out there are hemophiliacs.

有些人是血友患。