Texas summer heat can be dangerous, especially for visitors unfamiliar with the state's combination of high temperatures and humidity. As World Cup fans spend hours outdoors at matches, fan festivals, and other events, knowing the difference between heat exhaustion and heat stroke could help prevent a medical emergency.

This article delves into the essential topic of hydration, emphasizing its importance as summer approaches. It features expert insights from Dr. Hilary Fairbrother, a Professor of Emergency Medicine, who outlines daily hydration guidelines, signs of dehydration, and heat-related illnesses. The article provides practical advice on choosing the right hydration methods, especially during intense activities, and includes tips for staying cool in hot climates.

With the summer heat at its peak in the Houston area, it is important to know the signs of heat-related illnesses.

With the summer heat at its peak in the Houston area, it is important to know the signs of heat-related illnesses.