Though Einstein's framework remains intact so far, "the study is significant for the way observations by astronomers are helping to identify new, extreme cases" to test his general theory of gravity, said Dr. Wang.

WSJ: Einstein Proved Right on Gravity��Again

If Dr. Wang's previous studies are any indication, he will see that a test subject's striatum, a sort of communications hub inside the brain, has fewer dopamine receptors than the striatum of someone with normal eating habits.

FORBES: Food on the Brain