How many steps do you really need to take in a day to stay healthy? While we are often told that 10,000 steps is the gold standard for a healthy lifestyle, reaching this target can be no easy feat.

Share on Pinterest A new study looks at how exercise is measured. Tom Werner / Getty Images Step counts and minutes are both useful ways to measure physical activity, a new study suggests. A greater ...

Which exercise machine burns the most calories? The one you enjoy and will use the most. Here are our all-time favorite cardio machines we have tested at Live Science. When you purchase through links ...