Exercise not likely to rev up your metabolism

This is brand new research. It was belived before that excersise and muscle mass helped burn up those extra calories even when you weren't performing excersise. Well guess what? The lastest research has proved that wrong.
My reaction, "Thank goodness, I never liked doing weights..here is one more reason for me to not start doing them"
Extra muscle mass has no significant effect on weight loss and metabolism.
“Bottom line is that we once thought that exercise would burn calories, especially fat calories, for a long period after a bout of exercise,” says exercise physiologist Gerald Endress, fitness director for the Duke University Diet and Fitness Center who was not involved in the research. “This does not seem to be the case.”
Of course cardio still helps burn fat, as well as weights, Just the afterburn isn't as sweet as I always thought...
For more info (from originial article): http://www.msnbc.msn.com/id/30826120/wid/11915773//