免疫力
Meaning: Immune system strength; the body's ability to fight off illness and infection.
免疫力 became one of the most discussed health terms in Japan, especially during and after the COVID-19 pandemic. The concept of 'boosting' one's 免疫力 through diet, exercise, sleep, and supplements drove massive consumer interest. Health shows, products, and supplements constantly reference 免疫力アップ (boosting immunity). While immunologists note that 'boosting' immunity is oversimplified, the term remains central to everyday health discussions.
Examples
- コロナ以降、免疫力を上げることにみんな敏感になったよね。 自从新冠以来,大家都对提高免疫力变得很敏感了。Desde el COVID, todo el mundo se ha vuelto muy consciente de reforzar la inmunidad, ¿verdad?코로나 이후로 면역력을 높이는 것에 다들 민감해졌잖아.
- 免疫力アップにはちゃんと寝ることが一番だよ。 提高免疫力最重要的就是好好睡觉。Para reforzar la inmunidad, lo mejor es dormir bien.면역력을 올리려면 잠을 제대로 자는 게 제일이야.
- 発酵食品は免疫力を高めるって言われてるよね。 都说发酵食品能增强免疫力。Dicen que los alimentos fermentados ayudan a fortalecer el sistema inmunitario.발효 식품이 면역력을 높인다고 하잖아.
Pronunciation
/meɴ.e.ki.ɾjo.ku/
Usage Guide
Context: health, daily conversation, media
Tone: health-conscious, earnest
✓ Do Say
- 免疫力上げたいなら腸内環境を整えるのが大事だよ。 (If you want to boost your immunity, improving your gut health is key.)如果想提高免疫力,调理肠道环境很重要。Si quieres reforzar tu inmunidad, cuidar la flora intestinal es clave.면역력을 높이고 싶으면 장내 환경을 개선하는 게 중요해. (면역력을 올리려면 장 건강을 챙기는 게 핵심이야.)
- 睡眠不足は免疫力をめっちゃ下げるらしい。 (Apparently sleep deprivation really lowers your immune function.)听说睡眠不足会严重降低免疫力。Por lo visto, la falta de sueño baja muchísimo las defensas.수면 부족은 면역력을 엄청 떨어뜨린대. (수면 부족이 면역 기능을 크게 저하시킨다고 해.)
✗ Don't Say
- 「免疫力が高ければ病気にならない」は誤解 — 免疫力と無関係な病気も多い ('High immunity means you won't get sick' is a misconception — many illnesses are unrelated to immune function)'免疫力高就不会生病'是一种误解——很多疾病与免疫力无关«Si tienes las defensas altas no enfermas» es un error — hay muchas enfermedades que no tienen nada que ver con el sistema inmunitario「면역력이 높으면 병에 안 걸린다」는 오해야 — 면역력과 상관없는 질병도 많아 ('면역력이 높으면 아프지 않는다'는 잘못된 생각이야 — 면역 기능과 무관한 질병도 많거든)
Common Mistakes
- Overusing 免疫力アップ as a marketing buzzword — immune function is complex and can't simply be 'boosted' by a single food or supplement
Origin & History
Compound of 免疫 (immunity; 免 = exempt + 疫 = epidemic) + 力 (power/strength). A medical term that became mainstream health vocabulary, especially amplified during the COVID-19 pandemic.
Cultural Context
Era: Long-standing term, massively amplified post-2020
Generation: All ages
Social background: Universal
Regional notes: Used across all of Japan. Post-COVID, 免疫力 became one of the most commonly referenced health concepts in Japanese media and marketing.
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