article_snippet.sent: Black tea has high levels of oxalate, a chemical known to produce kidney stones and even lead to kidney failure if consumed in excessive doses.
article_snippet.sent: With a habit of drinking about 16 8-ounce cups of iced tea every day, a 56-year-old man was consuming anywhere from 3 to 10 times the amount an average American takes in.
article_snippet.sent: a habit of drinking about 16 8-ounce cups of iced tea every day was striking on a habit of drinking about 16 8-ounce cups of iced tea every day own, since federal studies have found that the average US adult drinks about 10 to 11 cups of liquid every day, including water, coffee and other beverages.
article_snippet.sent: Ghaffar said Ghaffar didn't know whether a 56-year-old man was drinking sweet tea, a concoction made from black tea and a hefty serving of sugar that is popular in the South, though a 56-year-old man was diabetic.
article_snippet.sent: The New England Journal of Medicine has cited black tea in health issues before, publishing a 2013 case that found a 47-year-old woman had developed a bone disease from drinking a pitcher of tea made from 100 to 150 bags of tea every day.
article_snippet.sent: a 2013 case that found a 47-year-old woman had developed a bone disease from drinking a pitcher of tea made from 100 to 150 bags of tea every day, however, does not suggest health risks for most people, according to Dr Randy Luciano, a Yale School of Medicine kidney specialist. '
article_snippet.sent: a 56-year-old man drank 'a lot of tea.'
highlights_snippet.sent: Black tea contains oxalate, a chemical known to produce kidney stones and sometimes lead to kidney failure .
  