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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.

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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

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The average office desk has 400 times more bacteria on it than a toilet.

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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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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

A comparison of the proteomes in human liver and skeletal muscle cells A comparison of the proteomes in human liver and skeletal muscle cells
Two species of diatoms showing clearly distinct morphologies. Two species of diatoms showing clearly distinct morphologies.
2006 Data:Top 25 Substances Involved in Human Exposures 2006 Data:Top 25 Substances Involved in Human Exposures
Marginal Products of Physical and Human Capital Marginal Products of Physical and Human Capital
The human X chromosome (left) and the Y chromosome (right). This false-color scanning electron micro The human X chromosome (left) and the Y chromosome (right). This false-color scanning electron micro
Pattern of retinal stimulation in the human eye Pattern of retinal stimulation in the human eye
Video: Mutations and translation

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