By Bob Condor

Here’s one reason why the Daily Health Blog exists: A new federal report reveals that Americans spent $11 billion on doctors' bills and prescription drugs for allergies in 2005.

Note that was more than two years ago. The outlay of dollars is almost double the $6 billion spent in 2000. Do the math and the 2008 cost is probably going to top $14 billion.

It probably won’t surprise you that about two-thirds of the $11 billion in …