Skip the long workouts - doing this exercise for 3 minutes may do more for your heart health and biological age, new study finds

Woman doing cycling workout, smiling.

Regular exercise is key to staying healthy, but experts go back and forth on the type of exercise that's most efficient for our bodies - and they want to find out how little of it we can do for the most benefits possible.

A new study has found that just a few minutes of sprinting can be more beneficial for the heart than longer workouts.