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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 first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
![Color enhanced X-ray showing a pacemaker implanted in the left side of the chest and the electrode w](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_23_57_85341460.jpeg)
![When young infants hold objects for a long period of time they eventually become habituated to them.](https://biology-forums.com/gallery/47/medium_637842_18_01_17_6_02_54_245021528.png)