Heat safety starts with hydration

When temperatures climb, staying hydrated is one of the most important ways to protect your health. Dr. John Paulson explains why you shouldn't wait until you're thirsty to drink water, when electrolyte beverages may be beneficial and how to recognize the warning signs of dehydration and heat-related illness. He also shares practical tips for exercising safely during extreme heat and highlights who is most at risk for heat-related emergencies.