(NEWSER) – As it turns out maybe the Scarecrow didn't need that brain after all. Real Clear Science revisits a bizarre case from 2007 in which a relatively normal 44-year-old man—married, two kids, job—turned out to have been going about his life without most of his brain. In fact, the discovery was only made when the man went to a hospital in France because his leg was feeling weak. According to a New Scientist article published when the case was revealed in July 2007, one neurologist estimated the man was missing more than 50% to 75% of his brain but—other than a slightly below-average IQ of 75, per the study in the Lancet—was suffering no ill effects. Real Clear Science reports the man's condition stemmed from a case of hydrocephalus (an excessive buildup the cerebrospinal fluid that cushions your brain) suffered as a baby.