What Japan could do to prevent heatstroke during Tokyo 2020

THE Northern Hemisphere is currently suffering an unprecedented heatwave. In Japan, more than 100 people have died and tens of thousands more are in hospital due to heat-related illness. Tokyo, which is hosting the 2020 Olympics, has for the first time registered temperatures over 40℃. This is raising concerns about the city’s viability to stage long-distance outdoor events such as the marathon and the endurance walk in similar conditions. The government has even discussed introducing daylight saving so marathon runners can start at 5 or 6am. SEE ALSO: Japan wants to adopt daylight savings for Tokyo 2020 but at what cost? One of the authors of this article, Makoto Yokohari and colleagues, recently published a paper that predicted the heat stresses on the athletes’ bodies during the race. They showed even at the very start of the race, runners will be exposed to extremely dangerous temperatures, which will only get more extreme as they move along the course. So, what can Tokyo do to lessen the risk of heatstroke for both athletes and spectators of the 2020 Olympics? How hot will it be? Tokyo has hosted the Olympics before, in 1964, but these games were held in October. Following a tradition of three decades, the summer Olympics will now be held from July 24 to Aug 9. And there’s a good chance of very high temperatures during this time in 2020. The ability for the human body to allow evaporation is a critical part of coping with heat. One way sports physiologists measure heat is by using the wet bulb-globe temperature. This temperature reading combines heat and humidity. If the humidity is high, less water evaporates so the recorded temperature is higher. Prior research has shown risk of heat stroke increases dramatically if the wet bulb-globe temperature exceeds 28℃. The chances... If you wish to read this full breaking news headline, plus more articles from around Thailand and Asia like, What Japan could do to prevent heatstroke during Tokyo 2020, simply click on 'Read full story' below, but 1st please give us a 'LIKE' or 'SHARE' before you leave. Thank you What Japan could do to prevent heatstroke during Tokyo 2020





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Published By: ASIAN CORRESPONDENT - Friday, 17 August, 2018



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