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Coronavirus Disease 2019 (COVID-19) is spreading in the world. First, it is important to wash your hands to prevent an infection. In addition, there is something we can do by ourselves, which is enhancing an immune system that is called the best weapon to protect us.

I quoted the following information from Erica Angyal Facebook page ＠ericaangyal. *Erica Angyal is a nutrition consultant from Australia, who served as an official nutrition consultant for Miss Universe Japan.)

⒈ Eat unprocessed natural foods
To enhance an immune system, good nutrition is necessary. Let’s eat a carrot, broccoli, blueberry, kiwi, cabbage, spinach and tomato proactively. These are rich in vitamin C or beta-carotene that enhances an immune system. Other than these, seaweed, mushroom, onion, garlic, ginger, yogurt, manuka honey, miso, and natto have an immunity-enhancing effect. Also, a freshly poured cup of green tea has a remarkable effect on improving immunity. On the other hand, sugar, margarine, ham, bacon, sausage, cake, cookie, donut, soft drink reduces the activity of immune system.

2. Get enough sleep
According to one study, those who sleep for less than seven hours are three times more likely to catch a cold than those who sleep for about eight hours. And, if you have a lack of sleep even only a night, natural killer cells decrease by 28 percent. During the initial stage of sleep, different kinds of immune cells’ concentration reach their peak and stress hormone decreases. It shows how important sleep is.

3. Manage stress
If you become overtired or come under stress, the immune system is affected and becomes weak. When you feel stress, the activity of the immune system grows by stress management as you like such as breathing deeply, stretching, doing yoga, reading books or magazines, watching funny movies or TV shows and taking a nice long bath.

Also, aromatherapy is effective. Why don’t you add a drop of essential oil inside your mask? Not only boosting immunity but also fragrant, so it can be uplifting. Especially, bergamot seems to be most effective, but eucalyptus, tea tree, oregano, thyme, lemon, and lavender are also good. Taking a supplement of vitamin C in high doses or mineral zinc is effective as well.

Please prevent infection by cold, flu and COVID-19 by putting the above into daily life. (H.S)

The other day, when I went to the dentist to get a regular checkup, I found copies of an article of the magazine PRESIDENT about dental health in the waiting room. I read with interest the article and I would like to introduce a part of it from PRESIDENT 2019.8.2.

The president of Softbank group, Masayoshi Son takes a great care of teeth for health. Despite being busy every day, he has been visiting a dentist every three months for years. He cannot drink at all and is less than picky about food, but he pays a great deal of attention to self-maintenance. Visiting a dentist every three months like Son, we can say that is a common sense today. It’s not an exaggeration to say that your teeth life decides how long you can continue to work actively.

Scale buildup is inevitable. And it causes a gum disease. Also, the fewer existing teeth, the more it boosts dementia risk. People with gum disease face a growing risk of cerebrovascular accident, cardiac affection, arterial sclerosis, aspiration pneumonia, diabetes and metabolic syndrome. To extend healthy life expectancy, daily care of teeth is absolutely necessary.

Whenever I go to the dentist for a checkup, I get a plaque check with plaque agent. Sometimes I miss certain teeth for brushing without realizing. I will continue to brush my teeth properly to prevent of gum disease. (H.S)

The photo is from the PRESIDENT.