They started making sense. Be still and know that I am God. . . One cup daily increases the risk of bladder cancer three times. Two cups double the risk of fatal bladder cancer. This includes the high amounts of caffeine taken in by soft drinks that contain caffeine.
Tea is no better.
It has caffeine, theophylline and tannin, and is associated with stomach kidney, lung, rectal, and esophageal cancer. Causes a 1 mg. Calcium loss in the bones. There are 300 mg. Of caffeine in three cups of coffee, six cups of tea, or five to six cans of soft drinks.