Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
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Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.
The appearance of different types of tissues-muscle, epithelial, nervous, connective-and their locat
Decision Making
Endocrine and nervous control of blood pressure.
Internal and External Loci of Control
Sand Dune Types
Control of Homeostasis: Positive Feedback