Mxsmanic wrote in
:

Robert M. Gary writes:

No, when they test you for allergies they don't tell you which part
of the skin they put which allergen. It would be pretty tough to only
break out in certain areas.

True, but when you see someone open a bag of nuts, you know that the
allergen is at least theoretically present. Asthma, for example, is
famous for being an allergy that can be triggered not only by actual
exposure to allergens but also psychogenically, and allergic reactions
in general are in a category of physiological responses that are
strongly influenced by emotion and mental state.

In any case, if a person develops a dangerous allergic reaction just
by having a bag of peanuts opened nearby,

Wheras you just look for the crumbs, eh?


Bertie