Why 16:8 Fasting May Be Too Short (And What Works)

16:8 has become the default intermittent fasting protocol, but the evidence on whether it actually moves the needle on autophagy, metabolic flexibility, and longevity is thinner than the hype. Fasting isn't about doing less. It's about doing what matters. Here's why 16:8 may be too short for the outcomes you want, and what the research suggests about fasting windows, protein timing, and chrononutrition.