However, not all the people know that noise is also a kind of pollution, and that is harmful to human health, too.

然而，并不是所有的人都知道噪音也是一种污染，对人类健康也是有害的。

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What is hydrogenated vegetable oil harmful to human health?

氢化植物油对人体健康有何危害？

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Heart disease is one of the most common illnesses seriously harmful to human health.

心脏疾病是严重危害人类健康的最常见的疾病之一。

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Radiation levels there are still normal and not harmful to human health, a ministry spokeswoman said.

FORBES: Radiation Levels Ok In Russia As Plutonium Found In Japanese Soil

Burning diesel versus gas results in higher levels of nitrogen compounds and soot, both of which can be very harmful to human health.

FORBES: 2012 Mercedes-Benz GL 350 BlueTEC Test Drive and Review: A Hug for Diesel

Drug concentrations in water are not thought to be harmful to human health, although concerns remain over possible effects on plant and animal life.

BBC: University studies drug residue pollution in water