Which of the following practices can reduce the risk of heat-related illnesses during physical activity?

Providing frequent hydration breaks is essential for reducing the risk of heat-related illnesses during physical activity. When individuals engage in physical exertion, especially in warm or hot conditions, their bodies generate heat, resulting in increased sweating to help regulate temperature. However, this sweating leads to fluid loss, which, if not replenished, can cause dehydration. Dehydration can impair the body's ability to cool itself, increasing the risk of heat exhaustion or heat stroke.

By ensuring that participants take regular hydration breaks, they can replenish lost fluids and maintain proper hydration levels, thus supporting the body's thermoregulation and overall performance. Encouraging water intake helps prevent overheating and enhances the ability to continue physical activity safely.

Other practices, such as wearing heavy clothing or scheduling activities in the hottest part of the day, can exacerbate heat-related issues by trapping heat and increasing strain on the body’s cooling mechanisms. Limiting movement to one area may not directly address the issue of heat regulation and does not promote proper hydration or cooling strategies.