Eсли человек по-настоящему хочет жить, то медицина бессильна

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Биотестирование

Bioassay

Clean Water Act Analytical Methods

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Health Insurance Plan of California (PacAdvantage)  

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Carrera

There are a number of other practices you can adopt to keep your eyes healthy:

a. The 20/20/20 rule: For every 20 minutes spent looking at a computer monitor, look at something 20 feet away for 20 seconds to maintain your eyes’ focusing system.

b. Moisturize your eyes in flight: Airplane cabin air is quite dry, use artificial tears once every hour.

c lock the sun: The sun's UV rays can hurt your eyes and increase your risk of cataracts, macular degeneration and pterygia, so make sure your eyeglasses or contact lenses offer UV-protection.

d. The right light: If you like to read in bed, choose a light bulb that is bright enough so you can see the words without straining (but not so bright that you see a glare).