There is one _very safe_ and _very easy_ thing to do that has been shown to be correlated with a reduced risk for Alzheimers, as well as a host of other diseases: Maintain a BMI of 24.9 or below:<p><a href="http:&#x2F;&#x2F;www.voanews.com&#x2F;content&#x2F;obesity-associated-with-earlier-alzheimer-disease-onset&#x2F;2943249.html" rel="nofollow">http:&#x2F;&#x2F;www.voanews.com&#x2F;content&#x2F;obesity-associated-with-earli...</a><p>2&#x2F;3rds of Americans don&#x27;t do this! It&#x27;s mind-boggling.