**Impact of Epidemiology on Molecular Genetics of Schizophrenia**

Nagafumi Doi1, Yoko Hoshi2, Masanari Itokawa2, Takeo Yoshikawa3 and Tomoe Ichikawa2 *1Ibaraki Prefectural Medical Center of Psychiatry 2Tokyo Metropolitan Institute of Medical Science* 

*3RIKEN Brain Science Institute Japan* 

'To grasp the full meaning of the *obvious* is a better basis for the understanding than the confused knowledge of the *obscure*.' (Engels)
