On Tue, 4 Jan 2005 10:41:22 -0600, "Jim Fisher"
wrote in
::

"Larry Dighera" wrote in message
3. Don't swallow phlegm; blow and expectorate

I've always know this but hardly ever heed it. Why, exactly, is this
necessary?

This is a personal theory. Everyone knows, that colds are spread by
airborne droplets. If the object is to rid the body of virus instead
of retaining it, than it only makes sense.