Pollution & Cancer

By: CNN
By: CNN

According to the World Health Organization, badly-polluted air can cause cancer. Today, at a conference in Switzerland, the WHO added air pollution to its list of recognized carcinogens. WHO researchers say the more people are exposed to tiny particles in the air, the higher their risk of developing lung and bladder cancers. They think pollution led to more than 220,000 lung cancer deaths worldwide in 2010.


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