Doctors blame man's kidney failure on his drinking a gallon of iced tea every day

April 1, 2015 9:25 PM

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NEW YORK (AP) — Doctors traced an Arkansas man's kidney failure to an unusual cause — his habit of drinking a gallon of iced tea each day.

They ruled out several potential causes before stumbling on a reason for the 56-year-old man's kidney problems. He said he drank about 16 8-ounce cups of iced tea every day. Black tea has a chemical known to cause kidney stones or even kidney failure in excessive amounts.

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