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TIME: Almanac of the 20th Century
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TIME, Almanac of the 20th Century.ISO
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1920
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1994-02-27
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<text>
<title>
(1920s) Drs. J.J. Macleod & F.G. Banting
</title>
<history>
TIME--The Weekly Newsmagazine--1920s Highlights
People
</history>
<article>
<source>Time Magazine</source>
<hdr>
Drs. J.J.R. Macleod & F.G. Banting
</hdr>
<body>
<p>(APRIL 21, 1923)
</p>
<p> "Insulin," perhaps the most widely heralded medical discovery
of the past year, continues to show promise, though its
originators claim only that it has alleviated some cases and
enabled patients to assimilate a more normal diet. Insulin was
evolved by Drs. J.J.R. Macleod and F.G. Banting, of the
physiological department, University of Toronto. It is extracted
from the pancreas glands of sheep or beeves, and is named from
the "islands of Langerhans"--little spots of vascular tissue
through which the internal secretion of the pancreas passes into
the blood. In normal health this secretion regulates the
assimilation of sugar in the diet. Production of insulin on a
large scale is difficult and expensive. Its manufacture is
strictly safe-guarded under patents held by the University of
Toronto, and it is made by only one firm in the United States.
It is administered hypodermically.
</p>
</body>
</article>
</text>