After I get a cold /flu (which isn't really that often) I get a cough (nearly always!). I've had it since I was a baby. It's not really a big deal as I just go to the doctors and they give me some inhalers and that usually solves things but they've never really explained WHY this happens. I'm interested to know. I'm just getting over the cough and I went for a run this morning but after words my chest was so tight and uncomfortable. Any one have any explanations?