[absolootezer0]

that’s a side effect, not a disease.

[KYGrandma]

But if you saw me on the street, you would look at me and sneer, “She’s fat.” Fit, but fat.

[envisio]

YEP. My mother’s thyroids failed at a young age. She has always been big because of it. But obesity is not her disease, just a result of her disease.
Then there are others who are just lazy and constantly cramming food in their mouth in front of the TV. Thats not a disease either. Thats a choice.