I agree with CB 100% - I compare it to having a turbocharger on your immune system! ;D Nothing like a little ram air to make the body feel a whole lot better. I realized it the first long distance ride I ever went on. My buddy had a few too many the night before, and every time we stopped for a bit he would turn green and get sick. But he was fine again as soon as he got back on the bike and up to speed..... Is it in our heads??? Maybe, but even if it is the placebo effect, if it makes you feel better why argue with it!!