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.
Originally marketed as Pringles Newfangled Potato Chips, Pringles are sold in more than 140 countries, and it was the fourth most popular snack brand after Lay's, Doritos and Cheetos in 2012, with 2.2% market share globally, compared to Lay's share of 6.7%.