Articles by
Kristopher Hasenauer
Dr. Kristopher Hasenauer, DMSc, MPAS, PA-C, is a physician assistant, behavioral medicine clinician, and human performance strategist with more than two decades of combined military, clinical, and executive leadership experience. A former Special Operations medic and senior military medical officer, he has dedicated his career to optimizing the mental resilience, physiological readiness, and long-term performance of veterans, first responders, and high-stress professionals operating in mission-critical environments. As CEO of T1RX Medical Group, Hasenauer integrates evidence-based behavioral medicine with performance optimization to address both the psychological demands and neurobiological consequences of sustained operational exposure.
Survival
Practical Preparation and Survival After a Nuclear or Radiological Incident
Understand the evolving nature of nuclear threats and learn effective radiological preparedness strategies for various scenarios.
Preparation
Peptides and Performance
Explore the role of peptides in enhancing physical performance and recovery during survival situations and extreme stress.
Survival
Stress Response Part II
Discover the intricacies of the stress response when facing life-threatening situations and its long-term effects on mental health.
Preparation
Inside the Mind of a Home Defense Shooting
A home-invasion gunfight is more than a physical confrontation. It is a surge of neurological and biological reactions that reshape perception, distort time, alter motor skills, and drive split-second choices. This piece breaks down the science behind fight-or-flight responses, sensory changes, stress-fire performance, decision biases, and the emotional aftermath that follows. Understanding the body’s emergency systems is a critical part of responsible home-defense preparation.