【Will strong tea and coffee damage the kidney?】

Tea containing high fluorine, the kidney is the main excretory organ of fluorine, when the body of excessive fluoride intake over the renal excretion ability, leading to accumulation of fluoride in the body, retention of excessive fluoride can cause kidney renal cortex and medullary tubular damage. Therefore often drink tea can cause kidney damage.
Instead of tea hangover, but also cause kidney damage, because caffeine in tea can quickly produce diuretic effect through the kidneys, this will make premature yet to oxidation of acetaldehyde into kidney. Acetaldehyde has strong toxicity to the kidneys, can damage the glomerular and renal tubular cells, which brings some harm to kidney function. Therefore, after drinking we should eat some fruit wine, such as citrus, pear, apple, can also drink some soup.
Coffee has been shown to increase levels of calcium in people's urine, which means an increased risk of kidney stones and osteoporosis
It is reported that calcium in urine is an important component of kidney stones, so the more calcium in urine, the more likely to form stones, so patients with kidney stones can not exceed 0.45 liters of coffee per day, and normal people should not exceed 1 liters of coffee
Coffee can block the body's absorption of calcium, so drinking it for a long time may cause osteoporosis. So people who drink coffee should drink at least 1 cups of milk a day or eat more calcium foods.