ECHO
Well water may explain excess bladder cancer mortality in New England
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Drinking from private wells across the United States may have to cease if findings of a study linking it to a long recognised excess mortality from bladder cancer in New England are confirmed.
The link between residual bladder cancer mortality and use of private wells was found in white men (Pearsons correlation coefficient r = 0.42) and women (r = 0.48) in New England and New York and New Jersey (r = 0.49, 0.62, respectively) after adjusting for population density, which is positively associated with bladder cancer in the United States. Thus it seems possible that greater exposure to carcinogens in well water or some other close marker causes bladder cancer, though this needs to be clarified by nonecological studies.
The study compared age adjusted bladder cancer mortality in white men and women during 198599 and the proportion of people obtaining drinking water from private wells in New England and
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