Low weight raises dementia risk but obesity lowers it, research suggests Middle-aged people who are underweight have a 34% higher risk of developing dementia than those with a normal BMI, according to UK research. by Olivia Blair Sign in to continue Sign In Email address Password Stay signed in Trouble signing in? Reset password: Click here Need help? Email us Register FREE Limited free articles a month Free email bulletins Register Now Register Now Take a 30-day trial Join MIMS now and pay nothing for the first 30 days Join GPOnline now and pay nothing for the first 30 days Sign Up Sign Up
