22 Sep 2015 Blackmores Institute Alzheimers disease has three subtypes one linked to zinc deficiency 22 Sep 2015 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Alzheimer's disease, long thought to be a single disease, really consists of three distinct subtypes, one of which is linked with a significant zinc deficiency, according to a UCLA study. The finding could lead to more highly targeted research and, eventually, new treatments for the debilitating neurological disorder. × To continue reading this article, please Log In or Sign Up for access.