It seems like it would be true.
Edit - Yep. Per this study:
"Perceived age, which is widely used by clinicians as a general indication of a patient's health, is a robust biomarker of ageing that predicts survival among those aged over 70."
“If a patient looks older than their years then perhaps they should be more concerned," he said.
Good to know I’ll die by the time in 30.
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Funnily enough I'm kinda already doing all those things by accident. I have naturally broad shoulders and a decent bit of both fat and muscle, I have a pretty bushy beard and I wear old man glasses. I'm not even trying to look older, I'm just doing things at random