執筆 上野陽子
2013/2 Up

第36回 日本の現代病・花粉症
Vol.36 Modern diseases in Japan: Hay fever / Pollen allergy

What kind of disease is hay fever?


* 赤い色の語句の上にマウスカーソルを移動させる(スマホの場合はタップする)と語注が表示されます

About 30 percent of Japanese people experience hay fever symptoms now!

Research* shows that 32.2 percent of Japanese have symptoms of hay fever, kafun-sho, now. It's an allergy which is caused by the pollen of certain plants coming into contact with the mucous membranes of human noses and eyes. This results in symptoms of sneezing, a runny or stuffy nose and itchy eyes. These are the four most significant symptoms of hay fever. It may sound like a trivial matter but, if you are badly affected, it's a real pain. You'll have an annoyingly itchy nose, bloodshot and watery eyes and a headache ― all of which make it difficult to concentrate. Consequently, your efficiency at work, study and everything else will be reduced. It's such a common problem in Japan that these days the weather forecasts also include a pollen dispersal forecast.


The allergy can be compared to a cup filled with water!?

The appearance of the symptoms is often likened to over-filling a cup with water. If you pour water gradually into a cup, eventually a single extra drop will make the water overflow. This is comparable to going over the acceptable amount of allergic tolerance. Why are there so many Japanese people with hay fever? According to the experts, there are several reasons ...

アレルギー症状が表面化するのは、よくコップから水があふれることにたとえられます。少しずつコップに水をそそいでいくと、一滴でも多くなった瞬間水があふれ出る。これがアレルギー耐性の許容量を超えたところ、というわけです。なぜ、現代の日本人に多いのでしょう? 専門家によっていろんな要因が挙げられています。

Why are there so many Japanese with hay fever these days?

Some people say that pollen clings to the dust in air pollution and is scattered in city areas, while others believe that our reduced interaction with animals and plants makes people more prone to becoming immunocompromised. The basic reason is that the environment and people's life cycles have changed.
There are some effective treatments that sufferers can use such as injections and medications to stop the allergy from developing. In addition to these, people can also get laser treatment on the mucous membranes in their nose to alleviate the symptoms of their allergy.



It is an allergic reaction which is caused by the pollen of certain plants coming into contact with the mucous membranes of human noses and eyes. This results in the symptoms of sneezing, a runny nose or stuffy nose and itchy eyes.


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