Association of Diet and Waist-to-Hip Ratio With Brain Connectivity and Memory in Aging | Nutrition, Obesity, Exercise | JAMA Network Open | JAMA Network

This cohort study found that healthier diets and lower WHR (waist to hip ratio) throughout midlife were associated with better brain and cognitive health in older age.

https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2831324

The ideal WHR for health is 0.7. Read about it here:

https://nypost.com/2024/11/11/lifestyle/mathematicians-claim-to-know-the-formula-for-the-perfect-female-body-its-not-as-exact-as-they-thought/