I'm surprised no one has brought up smoking and drinking yet, as per capita more people were heavier drinkers and everyone smoked. Also, you don't have to go back very far in history and more people were working industrial jobs that were physically hard. Even those people you would have seen on TV in the 70s (for example) would have been more statically likely to have had a childhood on the farm than anyone you see i…
I couldn't finish watching it but the linked video brought up smoking and nutrition immediately.