I walk almost every lunchtime outside, barefoot or with flat sandals, for 1 hour. I also do squats, sit-ups, push-ups and stretching exercises. Fixed my back

I walk almost every lunchtime outside, barefoot or with flat sandals, for 1 hour. I also do squats, sit-ups, push-ups and stretching exercises. Fixed my back pain as well as my short-sightedness and hay-fever. I swear by it.