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How Extreme Heat Affects the Brain: What Science Really Shows

As global temperatures rise, the effects of heat on physical health are increasingly well understood. However, one critical area that often goes overlooked is how extreme heat affects the brain. Beyond discomfort, high temperatures can reduce focus, impair memory, and influence mood and behavior. In real-world settings—such as classrooms without proper ventilation or outdoor work…

A person in extreme heat holding their head while studying, with a visual contrast of a brain affected by high temperature, illustrating how heat impacts cognitive function.