The fear surrounding nut allergies among children has gotten so out of control, one doctor says, that it could be considered an outbreak of mass psychogenic illness (MPI), more informally known as mass hysteria. Writing in the British Medical Journal, medical sociologist Nicholas Christakis argues that
a tiny fraction of hospital admissions and deaths are due to allergic reactions to nuts yet ever more draconian measures are being brought in to prevent any child coming into contact with nuts [Telegraph].
Those draconian measures fuel parents' anxieties, Christakis says, in what he calls a "cycle of over-reaction."
Christakis cites the extreme example of when a potentially fatal peanut was "spotted on the floor of a school bus, whereupon the bus was evacuated and cleaned (I am tempted to say decontaminated), even though it was full of 10-year-olds who, unlike two-year-olds, could actually be told not to eat food off the floor" ...