Illicit drug use costs the United States approximately $181 billion every year.
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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
Regulation of Blood pH and Gases
Potassium Joke
Regulation of Ras proteins.
Regulation of ATCase by ATP and CTP
Regulation of HMG-CoA reductase by ubiquitinmediated proteolysis