Counting steps is easy using a phone, a wearable or a fitness tracker. And scientists have lots of data to figure out how ...

Most of us have heard you need 10,000 steps a day to stave off health problems, but new research is finding that number is not necessary -- though more is always better.

How many steps should you walk a day? Is 10,000 enough? And how to fit walking and exercise into your daily schedule.