The study does not address what it is about the father that could cause schizophrenia.

However, the authors admit in the end that they still don't know what causes schizophrenia.

There is some evidence that it can cause schizophrenia.

Most researchers do not believe that substance abuse causes schizophrenia.

While substance abuse probably cannot cause schizophrenia, it is more common among schizophrenics than in the general population.

I know drug abuse doesn't cause schizophrenia, but hasn't it been known to put some people -borderline types - over the edge?

The gene, known as dysbindin, may represent a different way of causing schizophrenia.

Similarly, amphetamines can produce similar symptoms without apparently causing schizophrenia.

Methamphetamine has also been to linked to causing schizophrenia or similar psychotic symptoms.

That's what causes bad acid trips and schizophrenia.