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Does this cause cancer? How scientists determine whether a chemical is carcinogenic – sometimes with...
The Conversation via Yahoo News· 1 year agoCarcinogenic chemicals are labeled with a health hazard warning symbol. Peter Etchells/iStock via...
Natural gas used in homes may contain hazardous air pollutants: study
The Hill via Yahoo News· 2 years agoNatural gas used for powering household stoves, furnaces and water may contain levels of...