(Medical Xpress)—Rural households in developing countries often rely on burning biomass, such as wood, animal dung and waste from agricultural crops, to cook and heat their homes. The practice is long known to cause lung disease, but a new study from Washington University School of Medicine in St. Louis and Johns Hopkins University School of Medicine links the resulting smoke to cardiovascular problems, including an increase in artery-clogging plaques, artery thickness and higher blood pressure.
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