Use drinking water or the cleanest, clearest water available.

VOA: special.2010.07.19

"This was the 40 percent decrease in risk. We did not observe an association for drinking three cups or less per day."

VOA: standard.2010.06.30

Bennett says clean drinking water is the next big concern, especially to prevent an outbreak of diseases such as diarrhea or cholera.

VOA: standard.2010.08.02

"Traditional environmental risks are those that face largely the poor in China, risks like drinking water contaminated with infectious organisms or highly polluted indoor air from people burning wood or other dirty fuels inside homes without chimneys."

VOA: standard.2010.04.07