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.
The first written record of a European encounter with potatoes was penned in 1537 by Castellanos, a Spanish conquistador. After raiding a village in South America, Castellanos and his party found the area deserted and entered the houses in search of loot. Instead of silver and gold, they found maize, beans and truffles. From reading Castellanos account, we now know these truffles were in fact potatoes.