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Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

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ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

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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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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Percussion Patterns, Posterior Thorax Percussion Patterns, Posterior Thorax
Vertebral regions showing the four spinal curves. Vertebral regions showing the four spinal curves.
Landform Regions Landform Regions
Deep muscles of the posterior neck; splenius capitis and cervicis attachments. Deep muscles of the posterior neck; splenius capitis and cervicis attachments.
Many U.S. regions under threat due to changes in sea level Many U.S. regions under threat due to changes in sea level
Pattern for auscultation: Posterior thorax Pattern for auscultation: Posterior thorax
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