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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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Illicit drug use costs the United States approximately $181 billion every year.

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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

The Sidereal and Synodic Months The Sidereal and Synodic Months
Martin Van Buren, sitting uncomfortably for this engraving, would eventually ascend to the presidenc Martin Van Buren, sitting uncomfortably for this engraving, would eventually ascend to the presidenc
The relationship between the height of the firing line and length of the spark line can be ... The relationship between the height of the firing line and length of the spark line can be ...
Use a compound angle addition formula to determine an equivalent trig expression for cos(x + ... Use a compound angle addition formula to determine an equivalent trig expression for cos(x + ...
Which of the 3 structures shown below has the shortest bond length? Justify your answer. Which of the 3 structures shown below has the shortest bond length? Justify your answer.
Corolla length in tobacco Corolla length in tobacco
Video: Primary and secondary response to infection

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