Drinking water that does not meet a federal health guideline will not necessarily make someone ill. Many contaminants are hazardous only if consumed for years. And some researchers argue that even toxic chemicals, when consumed at extremely low doses over long periods, pose few risks.
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About Charles Duhigg
Charles Duhigg was American journalist and author. Charles Duhigg is an American journalist and non-fiction author. He was a reporter for The New York Times. Read more on Wikipedia →