This poses a threat to agriculture and the food chain, and consequently to human health.

这会对农业和食物链造成威胁，由此而危及人的健康。

The levels do not pose any immediate danger to human health.

这水平并不对人体健康构成立即的威胁。

The new standards adopted will go a long way towards protecting human health.

被采用的新标准对保护人类健康大有裨益。

Chemical pollution will bring about a threat to agriculture and food chain, and consequently to human health.

化学污染将威胁农业和食物链，进而危害人类健康。

Effects of dioxins on human health.

二恶英对人体健康的影响。