Running or walking outside, however, may not always be a Natural choice. If you're not enthusiastic about running or walking in winter weather or summer humidity, or if you live somewhere where there are few sidewalks or where there's a lot of traff
Running or walking outside, however, may not always be a Natural choice. If you're not enthusiastic about running or walking in winter weather or summer humidity, or if you live somewhere where there are few sidewalks or where there's a lot of traff
