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Did you know?

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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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

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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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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

(a) Zombies are a common theme in movies. However, (b) the number of zombie movies released each yea (a) Zombies are a common theme in movies. However, (b) the number of zombie movies released each yea
Structures of the Thyroid Gland Structures of the Thyroid Gland
The salivary glands, parotid, sublingual, and submandibular. This image shows the position of each g The salivary glands, parotid, sublingual, and submandibular. This image shows the position of each g
Hormones associated with the hypothalamus and pituitary gland. Hormones associated with the hypothalamus and pituitary gland.
Hypothalamus and Pituitary Gland Hypothalamus and Pituitary Gland
Gland #1 (Hard) Picture 2 Gland #1 (Hard) Picture 2
Video: Knee Animation

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