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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

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A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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The horizontal fraction bar was introduced by the Arabs.

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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Path of sound vibrations. Path of sound vibrations.
Sound Waves Sound Waves
Frederick Douglass, having escaped from slavery in 1836, attracted large audiences as an antislavery Frederick Douglass, having escaped from slavery in 1836, attracted large audiences as an antislavery
Common Root Words and Combining Forms Cont Common Root Words and Combining Forms Cont
Craig David, MNEK - Who You Are (Preditah Remix) That Garage Sound 129 (New UKG) Craig David, MNEK - Who You Are (Preditah Remix) That Garage Sound 129 (New UKG)
Wavelike properties of sound Wavelike properties of sound
Video: ribosome

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