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 term came from England, where fish and chips is a thing. But chips in England are usually bigger and flatter. French fries  were actually invented in Belgium, where they call them frites and serve them with mayonnaise. They should be yellow potatoes and be fried twice, which makes them yummy and crispy.