i dont understand! did they think you kept the exact same brain cells until you die?

i think scientists would be a little smarter than that. especially since ive always heard that after one year there is not a single original cell left in your body, they've all reproduced and died.
SwirlyMass Reviewed by SwirlyMass on . Human brain can make new cells I found an interesting topic on the human brain.. Human brain can make new cells, study finds - Yahoo! News Rating: 5