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Air Pollution Causes Weight Gain in Lab Rats

Breathing polluted air is not only bad for your lungs, it might cause you to gain weight, according to a new study. Writing in the Journal of the Federation of American Societies for Experimental Biology, researchers from Duke University say that laboratory rats who were exposed to Beijing, China’s polluted air gained weight. For the study, which was funded by the Chinese government, researchers exposed pregnant rats and their offspring in two types of chambers. One contained outdoor...

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