Side effects and adverse events related to intraligamentous injection of sclerosing solutions (prolotherapy) for back and neck pain: A survey of practitioners. Arch Phys Med Rehabil. 2006 Jul;87(7):909-13. More Prolotherapy research citations can be found on this page on our site Prolotherapy research.
Pringles history. Pringles were invented and first sold in 1968 in October in USA, but they were not sold across America till mid - 1970s. According to the patent, the inventor of Pringles brand potato chips was reputed Alexander Liepa from Montgomery, Ohio. It is produced by the company Procter & Gamble.
First, to understand what Pringles (and other stackable chips) are, you have to develop a Zen detachment from the idea of potato chips coming from actual potatoes in any recognizable way. In fact, the Pringles company once argued that their high amount of processing and low potato content actually made Pringles technically not potato chips. (For those wondering, they made this self-sabotaging argument to avoid taxes. 'Snacks' are recognized as necessary in the UK, and so they aren't taxed.