Medical fears of a heat stroke pandemic during Japan’s hot and humid summer months are prompting a rush to develop face masks that keep the wearer cool.
About 1,000 people die from heat stroke every summer in Japan, but this year millions of people will try to survive the season wearing a mask against coronavirus. Doctors fear hundreds of extra deaths.
The problem is prompting entrepreneurs to come up with a range of unlikely solutions, from high-tech woven materials to chilled masks sold from vending machines, with an eye to what could be a huge market across Asia.
您已阅读18%（570字），剩余82%（2613字）包含更多重要信息，订阅以继续探索完整内容，并享受更多专属服务。