> They will certainly wear out faster without shoes, no matter what you're running on.
Why should your body `wear out' from activity? Are humans some kind of clumsy machine that wears out from friction?
Why should your body `wear out' from activity? Are humans some kind of clumsy machine that wears out from friction?
(Note that I am agreeing with the notion that our bodies wear out, as do all machines. I am not endorsing the parent post's claims about shoes being better for running.)
As the recipient of 2 knee surgeries, and possibly an upcoming 3rd, believe me when I say that I would like nothing more than to have my knees "self-repair". But it just isn't going to happen naturally. You get one set of cartilage and ligaments, and once they are gone, they're gone.