7 in 1000 people have schizophrenia.
And if you are not fooled by this optical illusion - you are one of them.
http://www.wired.com/wiredscience/2009/0...oillusion/
And if you are not fooled by this optical illusion - you are one of them.
http://www.wired.com/wiredscience/2009/0...oillusion/