Excessive Iced Tea Drinking May Have Caused Man's Kidney Failure

Doctors believe a 56-year-old Arkansas man's previously unexplained kidney failure was caused by buildup of the chemical oxalate from drinking about a gallon of iced tea per day.
0:40 | 04/03/15

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Transcript for Excessive Iced Tea Drinking May Have Caused Man's Kidney Failure
Doctors and Arkansas I've traced one man's kidney failure to drinking iced tea. Not to worry if you occasionally invited this man was drinking a gallon every day. The problem is that black tea contains a chemical that's known to cause kids and kidney stones and in this case kidney failure. Which will likely keep him on dialysis now for there. Rest of his life a gallon. Consider how gallon a day. I grew up in Arkansas and we loathe us weekly. Love it. But we've in the summer there you can easily see you eyes you can download a little too not possible because we see who now move the New York are gonna have tea and yes this week dealing look at election period.

This transcript has been automatically generated and may not be 100% accurate.

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