How much of those steps are real, physical exercise? This is the biggest problem in American culture. No one actually exerts themselves physically. Take a look at the legs of a Dutch grandmother. Rippling with muscle because they bike every day, everywhere.

At least 10k, walking my dog. But I also run about 2-3 times a week.

I am not american.

I don't think casual movement or low pace walking is enough. I've been less active for a while and can feel a difference after I run.

I wonder the same