Histamine may be elevated with any condition that activates mast cells, and the release of histamine may be triggered by a wide variety of substances. An allergic reaction to a food is thought to be the most common cause of anaphylaxis.
Fur Rendezvous is a winter celebration of Alaska's fur trapping and trading heritage that is held in Anchorage each February. The Fur Rendezvous dates from the 1930s; the Alaskan fur trade dates back to the days when Alaska was a Russian territory.
A new Furby was released in the fall of 2012. It has more expressive LCD eyes, a wider range of motions, its own iOS and Android app, and the ability to adapt its personality in reaction to user behavior. The on-off switch is replaced with a reset button; the Furby turns itself off after one minute of inactivity.