What do people get wrong about "hie", always feeling cold?

This answer is a draft. It stays unpublished until legal review and source verification are complete.

"Hie" (冷え), meaning cold hands, feet or body, is a word you will hear constantly in Japan, from pharmacies to office small talk. It is not a diagnosis in Western medicine. Even so, surveys show how many people in Japan say they experience it.

Where "hie" stands

• According to a website supervised by a research group of the Ministry of Health, Labour and Welfare (MHLW), "hieshō" is not a diagnostic term in Western medicine but a socially accepted name for a condition based mainly on self-reported symptoms, with no clear diagnostic criteria.
• A survey of the general public reported that 26.6% of men and 55.1% of women said they experienced hie. In the national Comprehensive Survey of Living Conditions, the proportion reporting cold hands and feet is more than twice as high in women as in men.
• As for the mechanism, several physiological factors are generally described as being involved: peripheral circulation, the autonomic nervous system, hormones, and blood properties.

No definition, and more than one cause. That is why there is no single answer such as "warm up and it is solved".

[Verify] The percentages are based on the research-group-supervised website and explanations by medical institutions. Before publication, check the original surveys and state the survey year and population.

Misunderstanding 1｜Wear more layers and the problem is solved

Tight clothing can actually hinder circulation. What matters is not the number of layers but avoiding constriction.

Misunderstanding 2｜Hot drinks are enough

They warm you briefly, but that alone cannot be said to change the condition. Do not rely on a single measure.

Misunderstanding 3｜It is a women's problem

More than one in four men report it too. The assumption that it is "unique to women" is not accurate.

Misunderstanding 4｜Exercise always improves it

Moving your body is recommended, but there is no basis for asserting that it "always gets better".

Misunderstanding 5｜It is just my constitution, nothing can be done

If it comes with numbness, colour changes or pain, or if it suddenly gets much worse, do not put it down to your constitution. See a doctor. Another cause may be hidden behind it.

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Sources

• Women's Health Promotion Office, Healthcare Lab (supervised by an MHLW research group), "Hie" [女性の健康推進室 ヘルスケアラボ「冷え」]

https://w-health.jp/woman_trouble/cold/

• MHLW, *Comprehensive Survey of Living Conditions* [国民生活基礎調査]

https://www.mhlw.go.jp/toukei/list/20-21.html

• MHLW e-Health Net [e-ヘルスネット]

https://www.e-healthnet.mhlw.go.jp/

⚠️ Editorial note: the source URLs above were identified by search. Our working environment cannot reach go.jp domains, so the contents have not been checked against the text. Verify every source before publication and record who checked it and when.

About this article

What we share here are ideas and everyday practices passed down among people living in Japan, together with general information drawn from public sources. They are not official recommendations, and they are not professional instruction. Practices vary between households and regions.

This is general information. Results vary from person to person and depend on your own conditions and surroundings.

Please decide for yourself, using your own judgement, whether any of this suits your situation. We cannot accept responsibility for any damage, loss or injury arising from following this article.

This article is not meant to diagnose or manage any specific medical condition. If you are worried about your health, see a doctor rather than relying on your own judgement.

Sources

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