How to Prevent 3C Screen Blue Light 11 Great tips for Vision Care

What is Blu-ray? Blue light is the highest energy light in the visible light spectrum, defined as light with a wavelength of 400 to 500 nanometers. Blue light most often…

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A Way to Care for Your Teeth

There are so many bacteria in the mouth that there are about 103 bacteria in the gingival sulcus of healthy teeth, and about 109 on the surface of the tooth….

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Grandparents who Care for Grandchildren Live Longer

Caring for grandchildren has a major impact on the life of grandparents Research shows that caring for grandchildren increases life expectancy even more than a healthy lifestyle and sufficient activity….

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