10 Nov 2016 Blackmores Institute Low vitamin d associated with increased depression in psychotic disorders 10 Nov 2016 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Researchers presenting at the International Early Psychosis Association (IEPA) conference have called for more research on vitamin D and psychotic disorders following results of their study. × To continue reading this article, please Log In or Sign Up for access.