In this episode of Health Matters, Dr. Rahul Sharma, Emergency Physician-in-Chief at NewYork-Presbyterian/Weill Cornell Medical Center and Chair of Emergency Medicine at Weill Cornell Medicine, discusses how to stay safe during a heat wave, including signs of heat illness and the importance of staying hydrated and cool. Dr. Sharma explains how hydration impacts body function, provides guidelines for fluid intake, and addresses common misconceptions about electrolyte drinks. Dr. Sharma also highlights the importance of staying informed, dressing appropriately, and taking preventive measures.