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Reply to "Why were people so skinny in the 70s and 80s"
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[quote=Anonymous][quote=Anonymous]My dad loves to tell a story about a friend of his who worked a summer job roofing. Every single shingle was hammered in by hand. The whole summer was spent swinging a hammer. Now the same job would be done with a nail gun - a lot less physical. In the 70s and 80s there were lots of tasks like that, a lot more things that we do now with machine power that used to be done by hand.[/quote] Interesting. I wonder how much else has been replaced with machine power/automation. For example, a weekly shopping trip used to involve a half mile (guessing) of aisle walking, cart pushing, lifting grocery bags to/from car, etc. Now, it's delivered to your door. It's not a whole lot of calories/exercise in isolation, but I bet there's a lot of stuff like this.[/quote]
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