Covert Bailey originated the "Fit Or Fat" program. Somebody asked if it was possible to reduce the body's fat content to zero. He replied that the brain is made of fat, so if it worked you wouldn't be able to appreciate the result!
Careful ... that be my kin folk you're talkin' 'bout there. 'sides. They aint got no brain 'cause they done kilt off theirs brain cells by drinkin' that there sea water.