Can exercise help prevent asthma?

Can exercise help prevent asthma? With the reported global increase in the prevalence and severity of asthma, just what can be done to slow it down in all countries that are seeing increases?

To help answer that question, Scientists are looking into childhood developmental and lifestyle differences to find a cause - and they are looking 40 years into the past for clues.

The findings shed light on why cases of asthma may be increasing - and it may be due to the sedentary and technology-based lifestyle kids today have, as opposed to the exercise-filled playtimes of the last few decades (and more).

Even with kids, daily exercise is always a good thing, yes?