Taking the stairs at least twice a day for a minimum of three days a week could be enough exercise to help improve your cardiorespiratory fitness. — Filepic
Exercise snacks – intentional short bursts of physical activity – may be an effective way of boosting the cardiorespiratory fitness of physically inactive adults.
This is according to a review of the available research, published online Oct 7 (2025) in the British Journal of Sports Medicine.
