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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

cell cell
The Pleiades, an open cluster of stars in the constellation of Taurus. These stars share a common mo The Pleiades, an open cluster of stars in the constellation of Taurus. These stars share a common mo
Amount of Energy Released by Earthquakes of Different Magnitudes Amount of Energy Released by Earthquakes of Different Magnitudes
Adult neurogenesis. The top panel shows new cells in the dentate gyrus of the hippocampus—the cell ... Adult neurogenesis. The top panel shows new cells in the dentate gyrus of the hippocampus—the cell ...
Structure of a myofiber (muscle cell) Structure of a myofiber (muscle cell)
A dendritic cell preparing to engulf spores of a fungus, Aspergillus fumigatus. A dendritic cell preparing to engulf spores of a fungus, Aspergillus fumigatus.
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

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