Question

why is a chemically sensitive person not able to build an immunity to perfume?
what does "immunity" mean?

Answer 1

See the second definition.

http://dictionary.reference.com/browse/immunity

Answer 2

i understand what immunity means now, but i still don't know how to answer this question.

Answer 3

http://txeh.org/What%20Is%20Chemical%20Sensitivity.htm

Answer 4

yeah like i know what chemical sensitivity is but i just don't undertand what the question is asking

Answer 5

I don't know how to simplify this question any further. Sorry.