FILE - A man pours cold water onto his head to cool off on a sweltering hot day in the Mediterranean Sea in Beirut, Lebanon, July 16, 2023. As temperatures and humidity soar outside, what's happening inside the human body can become a life-or-death battle decided by just a few degrees. (AP Photo/Hassan Ammar, File)
FILE - An elderly woman suffering from heat related ailment is brought to an overcrowded government district hospital in Ballia, Uttar Pradesh state, India, June 20, 2023. As temperatures and humidity soar outside, what's happening inside the human body can become a life-or-death battle decided by just a few degrees. (AP Photo/Rajesh Kumar Singh, File)