Canada's all-time hottest temperature record has been broken three times in a week. In Lytton, British Columbia it reached 49.6C 🌡🔥 Here's what you need to know about the record-breaking heatwave engulfing parts of Canada and the US. DailyClimateShow:
"This particularly applies to the elderly, those over 75 are at particular risk of dying from dehydration because of their general vascular state and inclination to clotting.Dehydration can also affect people's cognitive ability, preventing the brain from sending signals to the rest of the body - something that famously happened to British triathlete Jonny Brownlee in Mexico in 2016 when his brother carried him over the finish line.
The body can usually maintain a constant temperature by balancing heat gain with heat loss but when the weather is very hot, heat gain overwhelms the body's ability to lose heat and the body temperature rises.Wildfires ravage Canadian town amid heatwave "Normal body temperature is about 37C, anything above 40C, 41C you're likely to get heatstroke - it's a major medical issue.
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