The Mystery Demystified. We have all heard that we need to walk 10,000 steps per day. Where did this come from? Who and when was this decided?  What is the science behind this? How did they come up with this 10,000 steps per day number? Fact or fiction?  Today’s post will provide some history and hopefully demystify the mystery of the 10,000 steps per day notion. Early in the 1960’s the first “pedometer” originated.  According to US News, Catrine Tudor-Locke from the Walking