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Did you know?

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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Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

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Women are 50% to 75% more likely than men to experience an adverse drug reaction.

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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

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Everyone has one nostril that is larger than the other.

The biological process of nitrogen fixation The biological process of nitrogen fixation
Two important changes occur in the upper airway in croup:The epiglottis swells, thereby occluding th Two important changes occur in the upper airway in croup:The epiglottis swells, thereby occluding th
Before starting the process of adjusting the valves, look up the specifications and exact ... Before starting the process of adjusting the valves, look up the specifications and exact ...
Genes are composed of a sequence of nucleotides in a DNA molecule Genes are composed of a sequence of nucleotides in a DNA molecule
Regulation can occur at any stage in the expression of genetic material in eukaryotes Regulation can occur at any stage in the expression of genetic material in eukaryotes
An insertion sequence (IS), shown in purple An insertion sequence (IS), shown in purple
Video: Requirements for nervous signals

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