Dr David Crepaz-Keay
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Dr David Crepaz-Keay: The stigma of schizophrenia

22 July 2014 Last updated at 13:54 BST

New treatments for schizophrenia could be possible as vital clues behind the factors causing the mental illness are discovered.

A team led by Cardiff University has found more than one hundred genetic risk factors linked to schizophrenia following the biggest ever study of its kind.

It follows several years of work involving more than 300 scientists in 35 countries worldwide.

Dr David Crepaz-Keay is head of empowerment and social inclusion for the Mental Health Foundation and was diagnosed with schizophrenia himself as a teenager.

He told BBC Wales health correspondent Owain Clarke that schizophrenia can take on various forms and he hopes the research will stop the illness being seen as a "monster" and increase understanding.