At 65, this 3-second routine beats coffee for instant energy
You’re standing in your kitchen at 7:15 AM, feeling that familiar morning fatigue. Three seconds later, after a simple single-leg balance hold, your alertness shifts. This isn’t imagination—it’s the micro-duration activation principle that researchers discovered in 2025. While fitness culture obsesses over hour-long workouts, gerontologists specializing in healthy aging confirm that strategic 3-second holds trigger … Lire plus









