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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

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The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

The nucleic acids DNA and RNA are made from chains of nucleotides. The nucleic acids DNA and RNA are made from chains of nucleotides.
The Morris Adjustable Chair, designed by Philip Webb, made by Morris, Marshall, Faulkner & Co. The Morris Adjustable Chair, designed by Philip Webb, made by Morris, Marshall, Faulkner & Co.
A healthy diet is made up of well-balanced nutrients. A healthy diet is made up of well-balanced nutrients.
Positions for auscultation of the heart: Sitting Positions for auscultation of the heart: Sitting
Stages of Sleep in Cats: A cat in non-REM sleep remains upright Stages of Sleep in Cats: A cat in non-REM sleep remains upright
1.6 Organisms are made up of cells, each of which contains an identical set of genes. 1.6 Organisms are made up of cells, each of which contains an identical set of genes.
Video: Glycolysis - Introduction to ATP and the burning of sugar

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