Core Viewpoint - The article highlights the severe heat wave affecting central and eastern China, with high temperatures expected to persist across various regions, prompting health warnings from authorities [1] Group 1: Health Risks and Precautions - The National Disease Control and Prevention Bureau and the China Meteorological Administration have issued health risk warnings due to high temperatures, advising the public to avoid outdoor activities during peak heat hours and ensure adequate hydration [1] - Heat-related illnesses can be categorized into three types, with heat stroke being the most severe and potentially fatal if not treated promptly [3][5] - Symptoms of heat stroke include fainting, high fever, and a body temperature exceeding 40°C, while milder forms of heat illness may present with elevated body temperature and pale skin [6][7] Group 2: Vulnerable Populations - Certain groups are more susceptible to heat-related illnesses, including those working or exercising in high-temperature and high-humidity environments, individuals with insufficient rest, and those with larger body sizes [7][8] Group 3: Emergency Response and Treatment - Immediate actions for treating heat stroke include moving the affected person to a cool, ventilated area, loosening clothing, and applying cooling methods such as immersing in cold water or using wet towels [10][11] - If symptoms persist or worsen, it is crucial to seek professional medical assistance rather than forcing the individual to drink water [11] Group 4: Preventive Measures - Recommendations for high-temperature days include avoiding outdoor activities during peak hours, wearing light clothing, and staying hydrated with electrolyte-rich fluids [13] - After heavy sweating, it is advised to wait before consuming cold drinks to prevent potential health issues like "brain freeze" [14] Group 5: Seasonal Health Concerns - The article also notes that summer is a peak season for gastrointestinal issues, and suggests the use of probiotics to maintain gut health [15] - It emphasizes the importance of hydration to prevent kidney stones, as high temperatures can lead to concentrated urine and increased risk of stone formation [22]