Torrey E F, Yolken R H
Stanley Foundation Research Programs, Bethesda, MD 20814, USA.
Schizophr Bull. 1998;24(3):321-4. doi: 10.1093/oxfordjournals.schbul.a033329.
Five studies have reported that being born or raised in an urban area is a risk factor for developing psychosis later in life. The authors hypothesize that increased exposure to infectious agents through household crowding might account for this association.