There is not some amazing mystery to why so many people are overweight. They eat more food (energy) than there body uses. Possibly over a long period of time. Just look at people's shopping carts at the grocery store.
Yes we understand so little of the body's biological processes but that doesn't mean CICO is not an extremely useful idea and something to put into action.
In my head I just think of 301'ing to the naked domain but that is only about web. What is the end goal of redirecting the domain with dns records like this? (Newbie)