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Protect Yourself From Heat DisordersEditorial Supervision: Taketoshi Morimoto, Professor Emeritus, Kyoto Prefectural University of Medicine

Heat disorders have become increasingly common in recent years.
In order to enjoy the summer months safely, everyone should be aware of the danger that the summer heat poses and the measures they can take to protect themselves.

Heat disorders have been in the news more frequently in recent years due to climate changes caused by global warming. Heat disorders can occur not only when someone is working or exercising strenuously in direct sunlight in the summer, but also in the rainy season at the beginning of the summer, when people's bodies have not yet adjusted to the heat. Heat disorders can occur not only outdoors, but also in hot, humid indoor environments. When the symptoms are severe, heat disorders can be life-threatening, but can be prevented if you know what to do. Everyone should be aware of the danger of heat disorders and the measures they can take to protect themselves.

Case studies highlighting situations in which extra attention should be paid and action taken to prevent heat disorders,
such as during sports activities and in the workplace.

Basic facts about heat disorders

Types of heat disorders

First aid for heat disorders

Why heat disorders occur

Situations in which heat disorders are likely to occur

Ages at which heat disorders are likely to occur

People who have a higher risk of suffering heat disorders

Essential ways to prevent heat disorders

Efficient rehydration

What you should drink to prevent heat disorders

How to use the WBGT heat index

Quick tips

Pointers for preventing heat disorders in the course of daily activities

  • Be sure to rehydrate appropriately
  • Use air-conditioners effectively
  • Cool your body by taking a shower or using a wet towel
  • Measure the temperature in your room
  • Do not overdo it when it's hot
  • Wear cool clothing. Use a parasol or wear a hat when going outside
  • Improve the ventilation in your room
  • Make sure you know the numbers to call in an emergency or if you need help
  • Make use of cool locations and facilities

Source: Ministry of the Environment, Environmental Policy Bureau, Environmental Health Department, Environmental Health and Safety Division. “Do You Know About Heat disorders?”

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