The American Heart Association says more than 8 million people are affected by peripheral arterial disease (PAD), but nearly 75 percent may not know it because they do not experience any symptoms.

美国心脏病协会称，超过8百万的人正受到外周血管病(PAD)的影响，但是几乎75%的人都没有发现，因为他们没有明显的症状。

youdao

The American Heart Association says more than 8 million people are affected by peripheral arterial disease, but nearly 75 percent may not know it because they do not experience any symptoms.

美国心脏病协会称，超过8百万的人正受到外周血管病的影响，但是几乎75%的人都没有发现，因为他们没有明显的症状。

youdao

The American Heart Association says more than 8 million people are affected by peripheral arterial disease, but nearly 75 percent may not know it because they do not experience any symptoms.

美国心脏病协会称，超过8百万的人正受到外周血管病的影响，但是几乎75%的人都没有发现，因为他们没有明显的症状。

youdao