were unsure of the exact amount the air pollution takes on any person’s body,casting doubts on
local reports tying the area’s dirty air to particular cases of illness.
Speaking at a briefing(情况介绍会)on Tuesday,the WHO’s Western Pacific regional director,
Shin Young—Soo,cited(列举)reports about poor air quality causing lung cancer in recent weeks.
“The WHO is skeptical of the information,”she said.“We’re cautious of whether the illness is related
to air po11ution. We know it has an impact on health,but we don’t know how much.”
The officials didn’t cite particular reports.The comments follow a number of articles since late
last year connecting some cases of diseases like lung cancer with pollution,.including one in
November regarding an 8-year-old girl.
The health impact of Beijing’s gray skies has been on the minds of many over the past week。Local
authorities on Tuesday preserved an orange alert(警报)一the city’s second highest pollution-warning
level—and again warned people to stay indoors.Experts widely agree that small particulates(颗粒)
known as PM2.5 carry significant short-and long-term health risks,particularly with children.Other
studies find a certain link between pollution and shorter life spans。
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