When British TV doctor Michael Mosley died last year in Greece after walking in extreme heat, local police said "heat ...
Heat-related illnesses, including heat exhaustion and heat stroke, are serious conditions that arise from excessive heat ...
heat exhaustion: when the body loses water due to excessive sweating, leading to a rise in core body temperature (but still under 40°C). Symptoms include lethargy, weakness and dizziness ...
In a rare medical case, a woman in her 70s was hospitalized with heat stroke after stretching in a sauna for 45 minutes.