In low-income countries, one way to make drinking water safer is to expose it to sunlight, but now scientists at the Johns Hopkins Bloomberg School of Public Health and the Johns Hopkins School of Medicine, suggest adding lime juice can make the method more effective. They write about their findings in the April 2012 issue of American Journal of Tropical Medicine and Hygiene. Senior author Dr Kellogg Schwab is director of the Johns Hopkins University Global Water Program and a professor with the Bloomberg School's Department of Environmental Health Sciences...
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