Health

Battling 'the largest mass poisoning in history'

International health experts have called it the largest mass poisoning in history, and it is still underway. Some 100 million people in southeast Asia have been drinking from shallow wells originally drilled to provide germ-free ...

Diseases, Conditions, Syndromes

Novel mechanism allows Legionella to hide in body

(Medical Xpress)—The feared Legionella pneumophila is responsible for legionellosis, an infectious disease that can lead to pneumonia. To infect humans, this pathogen has developed a complex method that allows it to camouflage ...

Health

Rice as a source of arsenic exposure

A study just published by a Dartmouth team of scientists in the Proceedings of the National Academy of Sciences (PNAS) advances our understanding of the sources of human exposure to arsenic and focuses attention on the potential ...

Diseases, Conditions, Syndromes

Google Earth typhoid maps reveal secrets of disease outbreaks

In the mid-nineteenth century, John Snow mapped cases of cholera in Soho, London, and traced the source of the outbreak to a contaminated water pump. Now, in a twenty-first century equivalent, scientists funded by the Wellcome ...

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Water pollution

Water pollution is the contamination of water bodies such as lakes, rivers, oceans, and groundwater by human activities. All water pollution affects organisms and plants that live in these water bodies and in almost all cases the effect is damaging either to individual species and populations but also to the natural biological communities. It occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful constituents.

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