Episode 15 delves into the spectrum of heat-related illnesses, from mild conditions like heat cramps and syncope to life-threatening heatstroke. We detail the mechanisms, symptoms, and prevention strategies for each category. Mild conditions are reversible with rest and hydration, while severe conditions like heatstroke require rapid cooling and advanced medical care. The systemic effects of heatstroke, including cardiovascular strain, organ dysfunction, and systemic inflammation, are thoroughly examined. Prevention strategies, including hydration, heat acclimatization, and workplace policies, are outlined to minimize risks in vulnerable populations.