Always getting sore throats and chest colds

[pktp]

But I'm curious about the indoor air quality thing. I understand how it could cause cold-like symptoms - sore throat, runny/stuffy nose; however, would it actually produce a full blown cold every time, with the symptoms getting worse and then better, fatigue, body aches, etc.?

That probably happens because of environmental allergies (mold, pollen, smoking, cats, whatever you are sensitive to) that somehow oversensitize the system and make it easier for viruses and bacteria to attack. Not sure how that exactly works, but have certainly experienced the results.

[kkekckbk]

I have the same issues.. And now when I get it, half the time it turns into pneumonia. I take vitamins, I exercise regularly, I have never smoked. My doctor finally thought it was allergies and sent me to get tested.. To his amazement and the allergists amazement.. I am NOT allergic to anything. He even then tested my immune system and that came up normal also. I seem to get sick every Spring, Fall and Winter.. It happens fast and goes right to my chest. I just came down with another one within the past 36 hours. I am at a loss and not sure what to do anymore.. If I don't take antibiotics it will most likely turn into pneumonia again..

Any thoughts