You wrote:

>You might have to cut and paste this one.  Science is saying that the immune
>system might be compromised if you exercise before breakfast.  Oliva
>
>http://www.thisislondon.com/dynamic/news/top_story.html?in_review_id=653841&
>in_review_text_id=625044
>

Note that they're saying it's the time of day that matters, not
whether there is food in the stomach.  Their study says that the
immune system needs to "wake up" for a few hours after a night's
sleep to be at full effectiveness, so you shouldn't stress the
body with exercise until then.

.:. Craig