It's hard to say.
One the one hand, there is evidence that usage of illicit street drugs may cause brain changes. These changes would lead an individual to develop schizophrenia. In addition, many famous people's schizophrenia are thought to have connections with drug abuse.
On the other hand, most of the research supports that although there is a correlation between substance abuse. However, there is no major evidence supporting the idea that drug abuse can cause schizophrenia. But it is true that many illicit drugs including Ecstasy can cause hallucinations and similar symptoms to schizophrenia.
These may refer to a drug-induced psychosis, while such state is not the same as schizophrenia.
Keywords: drug induced schizophrenia