Cardiovascular mortality and calcium and magnesium in drinking water: An ecological study in elderly people

@article{Marque2004CardiovascularMA,
  title={Cardiovascular mortality and calcium and magnesium in drinking water: An ecological study in elderly people},
  author={S{\'e}bastien Marque and H{\'e}l{\`e}ne Jacqmin-Gadda and Jean-François Dartigues and Daniel Commenges},
  journal={European Journal of Epidemiology},
  year={2004},
  volume={18},
  pages={305-309}
}
Background: Previous studies found relations between cardiovascular mortality and minerals in drinking water, but the major works considered water hardness or neglected the differences between adults and elderly. Drinking water is an important source of calcium in the elderly particularly because of increased needs and decreased consumption of dairy products. Methods: We collected informations about all deaths (14,311) occurring in 69 parishes of the South–West of France during 7 years (1990… 
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