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Heatstroke risk rises as Japan logs unusually high temperatures for June

A pedestrian uses a parasol in Tokyo's Nerima Ward on June 26, 2022, as temperatures soared passed 35 degrees Celsius in the capital for the second day in a row. (Mainichi/Ririko Maeda)

TOKYO -- The risk of heatstroke is increasing across Japan amid record temperatures for June as it takes several days for humans to adapt to the heat.

    Prevention measures are necessary, such as hydrating frequently even when people don't feel they're thirsty.

    According to the Ministry of the Environment, humans typically develop resistance to heatstroke by producing more sweat as temperatures gradually rise. It usually takes a few days for humans to acclimatize to the heat, and if people have not had sufficient time to do this they should take precautions.

    Another issue of concern is the balance between avoiding heatstroke and COVID-19 prevention measures. The Environment Ministry is calling for people to not wear masks outdoors as long as they can maintain a distance of at least 2 meters from others and they don't talk much on the grounds that wearing masks raises the risk of heatstroke. The ministry also recommends that when people wear masks indoors they adjust temperatures with air conditioners or through other means.

    (Japanese original by Kazuhiro Toyama, Tokyo City News Department)

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