What does WHO say about brushing children's and adults' teeth?

WHO recommendations on the amount of toothpaste for children and adults: rice grain, pea and rules for the daily use of fluoride toothpaste.
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Как кофе влияет на сосуды

Learn what biologically active substances are contained in coffee and how they affect blood vessels, blood circulation and blood pressure. A simple explanation of the role of caffeine, chlorogenic acids and trigonelline.
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