dude, that is sum stupid ass shit, but then agin, there is arsenic in most of the older house... along with aspests and lead, i think that most of these stupid ppls on here live in a older or use to live in a older house that has arsenic or lead in it, im not sure if the aspests dose any brain damge, but i do know that it dose fuck with your lungs and shit, i live rite next to a house that the owners had the fire department use for training the volenter fire fighter, the dumb ass ppls didnt have the aspests removed so now when ever the wind blows i have to breathe in a bunch of that shit