加载中…最新消息：空气污染确实和致癌有关
(2013-10-28 11:03:45)| 分类： 中美医学 |
最新消息：空气污染确实和致癌有关
我上的英文写作课下一篇作文是写空气污染。我刚刚查资料，无意中发现了下面这篇文章。最近，联合国卫生官员宣布，空气污染确实和致癌有关！
我现在只是收集资料，等我写好了作文，一定好好和大家共享一下。
空气呀，你行行好吧！
污染空气的人们，你们都行行好吧！
| http://www.un.org/apps/news/story.asp?NewsID=46276&Cr=cancer&Cr1=#.Um3LX_l6o5I Outdoor air pollution a leading cause of cancer, say UN health experts 17 October 2013 – The
specialized cancer agency of the United Nations World Health
Organization (WHO) announced today that
outdoor air pollution is a leading environmental cause of cancer
deaths.
An evaluation by the
International Agency for Research on Cancer (IARC) Monographs
Programme found there is sufficient evidence that exposure to
outdoor air pollution causes lung cancer and increases the risk for
bladder cancer.
In a news release, the
IARC pointed out that air pollution is already known to increase
risks for a wide range of diseases, such as respiratory and heart
diseases. Studies indicate that in recent years exposure levels
have increased significantly in some parts of the world,
particularly in rapidly industrializing countries with large
populations.
The most recent data
indicate that 223,000 deaths from lung cancer in 2010 resulted from
air pollution.
“The air we breathe has
become polluted with a mixture of cancer-causing substances,” said
Kurt Straif, Head of the IARC Monographs Section. “We now know that
outdoor air pollution is not only a major risk to health in
general, but also a leading environmental cause of cancer
deaths.”
The IARC Monographs
Programme, dubbed the ‘encyclopaedia of carcinogens,’ provides an
authoritative source of scientific evidence on cancer-causing
substances and exposures. In the past, the Programme evaluated many
individual chemicals and specific mixtures that occur in outdoor
air pollution.
These included diesel
engine exhaust, solvents, metals, and dusts. But this is the first
time that experts have classified outdoor air pollution as a cause
of cancer.
“Our task was to evaluate
the air everyone breathes rather than focus on specific air
pollutants,” said Dana Loomis, Deputy Head of the Monographs
Section. “The results from the reviewed studies point in the same
direction: the risk of developing lung cancer is significantly
increased in people exposed to air pollution.”
The main sources of outdoor
air pollution are transportation, stationary power generation,
industrial and agricultural emissions, and residential heating and
cooking. Some air pollutants have natural sources, as
well.
“Classifying outdoor air
pollution as carcinogenic to humans is an important step,” stressed
IARC Director Christopher Wild. “There are effective ways to reduce
air pollution and, given the scale of the exposure affecting people
worldwide, this report should send a strong signal to the
international community to take action without further
delay.”
|
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