Lifestyle & Health Halo Thu ,08 2525 1 month ago Last Updated : 04:00 PM Early warning: Brain chemical shifts tied to lifestyle may predict dementia risk - Medical Xpress Early warning: Brain chemical shifts tied to lifestyle may predict dementia risk Medical Xpress HALO NEWSLETTER Keep reading HALO with a Free Subscription unlock this story instantly and join members and pros reading HALO daily -It's Free SIGN UP LOGIN