It is common knowledge that soda is not good for you. However, many still drink it. Here are some surprising reasons why you may want to put down that soda can.Speed up aging. Soda contains phosphates (phosphoric acid) which give them their flavor and long shelf life. While phosphates exist naturally in some whole foods, too much phosphoric acid can lead to heart and kidney problems, muscle loss and osteoporosis. Also, a study published in the FASEB journal found that the high phosphate levels in soda ca... read more »