A new study suggests more intense physical activity can deliver the same health benefits as moderate-intensity activities like brisk walking in a fraction of the time. Harry Bullmore speaks to lead author Professor Emmanuel Stamatakis to find out how you can apply his findings into everyday routines “Nearly 1.8 billion adults are at risk of disease from not doing enough physical activity,” a 2024 World Health Organisation statement reads. At the time of writing, this figure was on the rise. A