As Japan faces escalating temperatures during the peak summer season, the use of portable 'handy fans' is skyrocketing among the public. The headline implies the soaring popularity of these handheld gadgets while cautioning users about potential health risks. Experts suggest taking appropriate precautions while using these devices such as, not directing high-speed airflows at the face for long periods. The intensity of the heatwave and the relevant consequences constitute the core of this news.

Scorching summer temperatures in Japan have led to a surge in the usage of handheld fans. Japanese people are conscious about health and their well-being. Hence, they are keen to learn about the precautions while using these much-needed gadgets. Also, the local government often provides advisory on health-related issues such as this.

In the USA or EU, heatwaves are also taken seriously with occasional advisories and news coverage. Similar to Japan, the popularity of personal cooling devices also spikes during intensely hot summers. There is a universal emphasis on health precautions with the use of such devices across these regions.