Any problem in the lower spine can affect a nerve that feeds into the sciatic nerve, causing sciatica symptoms. Watch: Sciatica Animated Video. Any problem in the lower spine can affect one of the nerves that feeds into the sciatic nerve, causing pain to radiate along that part of the nerve.
When was Kool Aid invented? The Chemist Edwin Perkins along with his wife Kitty in the year 1927 invented the powdered drink Kool-Aid in Hastings, Nebraska in the United States.
The first hearing aid using a vacuum tube was the âVactuphone,â invented by Hanson in 1920. It was produced by Western Electric Co., a leading producer of hearing aids, and distributed by Globe Phone Co. beginning in October 1921 (13).