@okkiedot My question exactly! :)

Although this post did prompt my curiosity enough to make me google a few items and indeed it does look like being overweight is not good for the brain.
http://www.dailymail.co.uk/health/article-3686878/Are-fat-people-intelligent-People-overweight-make-wrong-food-choices-grey-white-matter-brain.html

And I also found this one on Steemit that actually discusses how fat is really expelled from the body. I never knew that. So in any event thank you @amnasheikh for the post and prompting me to educate myself :) !

https://steemit.com/health/@wanderingmind/arm-yourself-with-knowledge-where-does-fat-really-goes-when-you-lose-it-you-think-you-know