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Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Buck and Axel identified olfactory receptor proteins in olfactory receptor cells. Buck and Axel identified olfactory receptor proteins in olfactory receptor cells.
Some functions of proteins Some functions of proteins
The b sheet, another common secondary structure in proteins The b sheet, another common secondary structure in proteins
Transfer RNAs (tRNA) carry amino acids to the ribosome to be synthesized into proteins. Transfer RNAs (tRNA) carry amino acids to the ribosome to be synthesized into proteins.
Northern blot of the G14 subunit in the salivary glands of a 1-week-old and a 4- to 6-week-old rat. ... Northern blot of the G14 subunit in the salivary glands of a 1-week-old and a 4- to 6-week-old rat. ...
Activation of amino acids for incorporation into proteins Activation of amino acids for incorporation into proteins
Video: T cell receptors

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