That stuck out to me too: they imply obesity and diabetes are some sort of symptom of a diminished immune system, when it can simply be explained by portion siz

That stuck out to me too: they imply obesity and diabetes are some sort of symptom of a diminished immune system, when it can simply be explained by portion size inflation. To add insult to injury, obesity will cause an inflammation response, hampering immune systems. It's also possible obesity could be linked to overall weakened immune systems.