Why is health today considered a matter of national and economic security?

 any disruption in the health system directly affects productivity, social stability, and the defensive capacity of states. The COVID‑19 pandemic proved that health is not merely a service sector, but a pillar of national security—just like food and energy.

Global Crises and Individual Behavior Global crises reshape how individuals act: they drive more cautious consumption patterns, increase tendencies to stockpile food and medicine, and amplify collective anxiety that influences trust in markets and institutions.