But the scientists say their findings are worrisome and emphasize the urgent need for studies that track lead levels and kidney function over time to better understand the interplay between the two.

但科学家认为他们的研究结果令人担忧，现在迫切需要研究并更深入理解痕量铅水平与肾脏功能的长时间作用关系。

youdao

Strategists say it is best to avoid Turkey and South Africa, where growth is slowing but the central banks may be unable to act because inflation has hit worrisome levels and interest rates are already too low.

WSJ: How to Play Central Banks

And even then it likely takes some time to work through slack before inflation moves to worrisome higher levels.

FORBES: Inflation Fears and Facts

Jihad levels are worrisome over 3, dangerous at 5 and reportable at 7.

CENTERFORSECURITYPOLICY: New Shariah study documents Islamist threat