I wonder whether the more physical lifestyles (farming, more manual labor, more physical housework) increasing testosterone levels played a part too in making folks look older/bigger.
You could test the theory with photos of class graduations and reunions for various years, with faces extracted, normalized and pasted into a standard setting. I'd bet it's real.
My bet is on environment, stress, and genetics.
But those that by far aged the most, were the girls that would spend their teens and probably entire 20s in the tanning bed. Probably guys, too, but we didn't really have many dudes that focused on that.
I couldn't finish watching it but the linked video brought up smoking and nutrition immediately.
Younger people has smoother and better skin and well distributed fat, I think we begin to deposit fat around our faces in areas that make us look old.
Interesting to know if fasting causes you to age faster because of the loss of fat around your face.
She lost quite a bit of weight, leading to get skin looking "loose".
People were commenting on how much older she looked.