Clearly the toothpaste after exhausting has the effect of activating the brain and refreshing

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A joint research by Kao Human Health Care Research Center and Professor Ichiro Shimoyama of Chiba University showed that toothbrushing after the brain became tired activated the brain and had the effect of enhancing concentration and refreshing mood .

As long as you work towards the desk, your head gradually gets faint as you go, not to mention physical fatigue. In such a case, I will change my pace by drinking coffee or washing my face with cold water, but from now on, toothpaste seems to be one of effective means.

Details are as below.
News release Researching the effect of tooth brushing behavior on the brain Teeth brushing after teeth got tired, the brain is activated, mood refreshes | Kao Corporation

According to a survey conducted by Kao in 642 women in the metropolitan area, it seems that the number of people who brush their teeth at work is 5% in 1998 but to 19% in 2009. Even in the survey conducted by the Ministry of Health, Labor and Welfare, the number of people who brush teeth three times a day has increased from 13% in 1987 to 21% in 2005, and it seems that more and more people brush their teeth at work. Although there are many people doing as a toothpaste after lunch, there seems to be a lot of people aiming for change of mood by tooth brushing such as "refreshing feeling" and "refreshing".

Therefore, whether Kao Human Health Care Research Center and Professor Ichiro Shimoyama of Research and Development Center for Frontier Medical Engineering, Chiba University collaborated on whether tooth brushing actually acts on the brain to change mood .

Experiments were conducted by obtaining informed consent for healthy adult men and women, having a simple calculation work for 20 minutes, immediately setting a pattern not toothbrushing and a pattern not to set the state of the brain and psychology immediately after each operation It was done by measuring method. The content of the simple calculation work is "to continue the operation of key-inputting one digit under random addition or multiplication for 20 minutes", the toothpaste is a general tooth paste (mint flavor) and a toothpaste (mint flavor) and a toothbrush, It seems that I got a brush tooth for 1 minute in the same way as I did.

As a result, when we brush your teeth after fatigue, there was a tendency that the brain obviously recovered from fatigue and the feeling of refreshing increased as compared with the case where you did not brush your teeth. This seems to be considered to be "toothbrushing behavior, it has the effect of activating the brain and refreshing when it gets tired from work or study," it seems.


Experimental results were published at the 36th International Physiology Society of IUPS 2009 in 2009 and at the 86th Annual Meeting of the Japanese Physiological Society, published in March, 2010, published in the Journal of Industrial Hygiene (Vol. 52, No. 2) It is planned.

Toothbrushing seems to be effective also for the prevention of heart diseaseSo if you want to live a healthy and fulfilling life it may be better to brush your teeth.