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Did you know?

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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There are more nerve cells in one human brain than there are stars in the Milky Way.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

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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.

Parenteral medication administration. The angle of needle insertion for four different types of pare Parenteral medication administration. The angle of needle insertion for four different types of pare
GI endoscopy. (a) Similar to other forms of GI endoscopy, laparoscopy involves the insertion of a sp GI endoscopy. (a) Similar to other forms of GI endoscopy, laparoscopy involves the insertion of a sp
Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort
An EGR valve position sensor on top of an EGR valve. An EGR valve position sensor on top of an EGR valve.
PCV valve operation in the event of a backfire. PCV valve operation in the event of a backfire.
Illustration of the penicillin structure. The β-lactam ring gives penicillin its antibacterial ... Illustration of the penicillin structure. The β-lactam ring gives penicillin its antibacterial ...
Video: Primate Evolutionary Tree Animation

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