Zone 2 Cardio in 2026: Longevity’s Golden Ticket or a Pacing Paradox?
In the ever-evolving landscape of health and fitness, where new “optimisation hacks” emerge faster than a sprinter off the blocks, one concept has quietly, yet powerfully, ascended to viral status: Zone 2 cardio. From the hushed halls of longevity clinics to the booming microphones of popular health podcasts and the endless scroll of social media, …