If it was a no brainer, then it would have already been published. Much of
medicine seems like a no brainer to the general public, yet it still needs to be
proven to be stated as fact. Obvious no brainers often turn out to be false.
Duhh is not polite and could be construed as offensive and probably should have
prevented your comment from being posted.
AND HOW much federal grant money and school research time was expended to
'determine' this absolulte no-brainer?! DUHHHHHHHHHHHHHH!!!!