Question:
Every study I have seen has indicated that there is no correlation
between asthma rates and pollution. However there is a correlation
between severity of existing asthma and pollution. If you have evidence to the contrary, please give me a citation
reference.
Answer:
The fact is, there are a lot of studies that claim that there is
a *strong* correlation between asthma rates and pollution.
Epidemiological studies deal specifically with correlations, not
in speculation. In any event, my own experience with whatever
form of asthma I have clearly points to pollution as a strong
factor. I think it's important to remember that asthma is a
hetereogeneous condition.
The relationship between steroids, immunosuppression, and cancer
>is well known and has been extensively studied in respect to
>transplant patients. It has *not* been studied so far as I've
>been able to tell, in respect to asthma patients using steroid
>inhalers.