It’s estimated that approximately 1% of the world’s population is diagnosed with schizophrenia, while the prevalence in the United States is slightly higher with an estimated 1.2% of the population diagnosed with the illness. That’s about 3.2 million Americans as of 2009, with an expected 100,000 people diagnosed annually – or 7.2 in every 1,000 people.

For the full article discussing the causes of drug abuse in people with schizophrenia and treatments options, click here.