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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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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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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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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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Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Terpenoids as secondary metabolites Terpenoids as secondary metabolites
The ossicles of the middle ear along with the oval window and tympanic membrane. The ossicles of the middle ear along with the oval window and tympanic membrane.
Child Labor Rates and GDP Worldwide Child Labor Rates and GDP Worldwide
Nomogram chart. This example shows a line drawn from a child’s height of 100 cm to his weight, 35 ... Nomogram chart. This example shows a line drawn from a child’s height of 100 cm to his weight, 35 ...
This couple, a brother and sister in Germany and the proud parents of this child, are challenging ... This couple, a brother and sister in Germany and the proud parents of this child, are challenging ...
The primary windings are inside the secondary windings on this General Motors coil. The primary windings are inside the secondary windings on this General Motors coil.
Video: Introduction to Human Immunodeficiency Virus (HIV)

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