Whatever. We're so fat and lazy as a population that thin people in their 60's are remarkable. A hundred years ago, before widespread use of mechanized transportation, electric and gas heating, desk jobs and super cheap packaged food, everyone was thin their whole life. Fat people were the ones who were remarkable.
1911 - A Trip Through New York City
“as a population that thin people in their 60’s are remarkable”
I am not thin by any means.
I am 5’8”, 180lbs with relatively low body fat.