Exercise Induced Asthma?

I am a fairly active person with an average level of fitness. I'm regularly attend the gym and focus of cardio work outs, most of which I get along with fine with expected levels of shortness of breath. However when I attempt to jog on a treadmill, usually at the 2-3 minute mark I start to get stabbing pain in my chest, fast shallow and painful breathing, vision starts blurring at the edges, h... click here to continue

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