Unlike other allergic reactions, however, anaphylaxis can kill. Reaction may begin within minutes or even seconds of exposure, and rapidly progress to cause airway constriction, skin and intestinal irritation, and altered heart rhythms. In severe cases, it can result in complete airway obstruction, shock, and death.
The 2016 Oakland, California, population is 419,267. There are 7,501 people per square mile (population density).
Through the 90's Oakland's population has grown by about 7%. It is estimated that in the first 5 years of the past decade the population of Oakland has declined by about 1%. Since 2005 Oakland's population has grown by about 4%. Oakland's property crime levels tend to be much higher than California's average level.