Heavy consumption of iced-tea linked to kidney failure

An Arkansas man’s kidney failure linked to his habit of drinking a gallon of iced tea each day. Heavy consumption of iced-tea linked to kidney failure
56-year-old U.S. man suddenly developed weakness, fatigue and body aches is leading doctors to warn that massive consumption of tea may be responsible for some puzzling cases of kidney failure. 
The source of the problem was an excessive amount of oxalate, a compound found in many foods. 
Excessive amounts can also come from “juicing,” having gastric bypass surgery, and by consuming foods with a lot of ascorbic acid such as spinach, rhubarb, nuts, wheat bran and chocolate.
In this case, the man reported that he was drinking 16 nine-ounce glasses of iced tea each day, giving him more than 1,500 milligrams of oxalate per day.  More