Is it bad to (almost) always run MacBook Pro using the adapter?

Question is in the title.
If you always run your laptop with the adapter, would that have a negative impact on the battery life/performance due to not being used as much?
15.4" Macbook Pro Intel Core 2 Duo   Mac OS X (10.4.8)  

This is no problem, just make sure you calibrate your battery regulary! I do it at least every month!
Quoted from Apple: Calibrate the battery in your MacBook or MacBook Pro every month or two to keep your battery functioning at its fullest capacity.
Mac OS X 10.4 Help - Calibrating a MacBook or MacBook Pro battery:
http://docs.info.apple.com/article.html?path=Mac/10.4/en/mh2339.html
Hopefully this is helpfull or solved your problem.
Please see the "helpfull" and "solved" button's on top off this message! Apple: Why reward points?

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