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Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Young adults increase in self-esteem between the ages of 18 and 25, according to this longitudinal s Young adults increase in self-esteem between the ages of 18 and 25, according to this longitudinal s
Flow cytometry data that shows the differences in CD3+ CD4+ cells that occur with HIV infection. ... Flow cytometry data that shows the differences in CD3+ CD4+ cells that occur with HIV infection. ...
The nurse conveys attentive listening through a posture of involvement The nurse conveys attentive listening through a posture of involvement
The nucleus is bounded by a double membrane called the nuclear envelope The nucleus is bounded by a double membrane called the nuclear envelope
Sturtevant’s Recombination Data for Five X-Linked Genes in Drosophila Sturtevant’s Recombination Data for Five X-Linked Genes in Drosophila
Video: Introduction to Spirometry

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