Why Rest, Diet, and Exercise Stop Working After a Point
For many senior professionals, fatigue does not begin with poor habits. It emerges after discipline is established — when sleep is protected, nutrition is consistent, and exercise is routine. The expectation is reasonable: sustained healthy behavior should maintain or improve energy. When that does not happen, the issue is often framed as a personal shortcoming. Research suggests otherwise. Across metabolic, aging, and exercise physiology literature, this stage reflects a well-documente...