Three Minutes of All-Out Sprinting Triggers Big Blood-Signaling Shifts

Three minutes of all-out sprinting produced a rapid, large-scale molecular response in the blood—altering nearly a quarter of measured proteins and over 200 metabolites—far more than 90 minutes of moderate cycling, with many changes linked to vascular remodeling, metabolic health, and lower risks of obesity, type 2 diabetes, and related diseases (and potential hints at slower aging).