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Don't wear sneakers (runners, trainers, etc.) and whatever you do don't let your children wear them.
To live long and prosper you need strong healthy bones. You don't get that by bubble wrapping your feet. Japanese is famous for their longevity and one of the reasons is that practically everyone over the age of 70 grew up wearing nothing but these shoes, carved wooden boards. 
My great-grand father at 99 gave me his old army boots, the first real shoes he ever wore, at the age of 16. He fought wars in half inch leather soles hard as wood with hobnails hammered in for traction. Before that his grand father made all his shoes out of blocks of wood.
