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.
Making potato chips was a lot of work, since the potatoes had to be peeled and sliced by hand. That all changed in the 1920s, though, with the invention of the mechanical potato peeler. With the help of technology, potato chips grew from a local favorite into a nationwide sensation. Today, potato chips are one of the most popular snack foods in the world.