Liquid nitrogen evaporates, and can cause violent oxidation of organic material. Ingestion of liquid nitrogen can cause severe internal damage, due to freezing of the tissues which come in contact with it and to the volume of gaseous nitrogen evolved as the liquid is warmed by body heat. In 1997, a physics student demonstrating the Leidenfrost effect by holding liquid nitrogen in his mouth accidentally swallowed the substance, resulting in near-fatal injuries. This was apparently the first case in medical literature of liquid nitrogen ingestion. In 2012, a young woman in England had her stomach removed after ingesting a cocktail made with
Snelgrove's Ice Cream Fudge. Snelgrove Ice Cream was sold in Utah, New Mexico, Idaho, Montana, and Colorado. On February 19, 2008, Dreyer ice cream announced it would no longer make the Snelgrove brand. Snelgrove's Ice Cream Snelgrove Ice Cream began as a family-owned company in Salt Lake City founded in 1929 by Charles Rich Snelgrove (1887-1976), and later managed by his eldest son C. Laird Snelgrove. The operation remained family owned until about 1990. The name brand is now owned by the Dreyer's company, which owns the former Snelgrove ice cream factory. Snelgrove ice cream parlors were located in various locations in the