Emphasizing the link between quality sleep and hormonal recalibration.
The book argues that the sharp decline in testosterone levels—noted as nearly a 40% drop over recent decades—is not merely a byproduct of aging but an "engineered imbalance". Johnson explores a "hidden network" of modern factors that negatively impact male biology, including: secret testosterone nexus of evolution book summary
The physiological toll of modern lifestyle demands. The "Four Pillars" of Restoration Emphasizing the link between quality sleep and hormonal