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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.

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Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

The extent of acid rain in the United States has decreased. The extent of acid rain in the United States has decreased.
Sites of tubular reabsorption and secretion. Sites of tubular reabsorption and secretion.
Sites of tubular reabsorption and secretion. Sites of tubular reabsorption and secretion.
A current model for protein secretion by prokaryotes A current model for protein secretion by prokaryotes
Feedback control of ADH secretion Feedback control of ADH secretion
Insulin Secretion Insulin Secretion
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