Tag: chemistry
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A wider science
Ahmad ShakeriHowsikan KugathasanToronto, Ontario, Canada Working at a Toronto harm reduction clinic helped reconcile my different points of view on drug addiction. In the classroom, I was a progressive-minded graduate student willing to apply research to improve health outcomes for people who use drugs. But on the street and the subway, my personal policy was…
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Irvine H. Page, M.D. (1901–1991)
Earl SmithChicago, Illinois, United States Irvine Page was a physician scientist who discovered angiotensin and serotonin and proposed the multifactorial etiology of hypertension. He was a prolific medical writer and was instrumental in establishing what is now the National Academy of Medicine. Dr. Page initially intended to become a chemist. Following his graduation from Cornell…
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Blood and pernicious anemia
Omar AlzarkaliBatavia, New York, United States Blood is powerful. The mere sight of it can cause an adult to fall to the ground; as a medical student, I have seen it happen. Faces go pale and legs can no longer carry their weight as they succumb to this primitive reflex. Perhaps this vasovagal response happens…
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Litmus paper and other pH indicators
To many a physician the word litmus brings back unpleasant memories from medical school, something to do with Bunsen burners, incomprehensible lectures on acid-base balance, or experiments going wrong and exploding in the chemistry lab. Litmus itself is a mixture of organic substances obtained from lichens and used as an acid-base indicator—even in nature, such…
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Bosch’s Stone Operation: Meaning, medicine, and morality
Laurinda DixonNew York, United States The Stone Operation (fig. 1) (ca. 1488 or later), also known as The Cure of Folly, by the Dutch fifteenth-century painter Hieronymus Bosch (ca. 1450-1516), is, like all of his works, bizarre and incomprehensible by modern standards of reality.1 The painting depicts a surgeon, dressed in the characteristic reddish robe…