Study finds significant variation in anatomy of human guts
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"There was research more than a century ago that found variability in
the relative lengths of human intestines, but this area has largely
been ignored since then," says Amanda Hale, co-first author of the
study and a Ph.D. candidate at North Carolina State University. "When
we began exploring this issue, we were astonished at the extent of the variability we found."
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In another striking example, the researchers found that women tend to
have longer small intestines than men.
"Because having a longer small intestine helps you extract nutrients
from your diet, this finding supports the canalization hypothesis,
which posits that women are better able to survive during periods of
stress," says Hale.
"Given that there is more variation in human gut anatomy than we
thought, this could inform our understanding of what is driving a
range of health-related issues and how we treat them," says McKenney. "Basically, now that we know this variability exists, it raises a
number of research questions that need to be explored."
https://www.eurekalert.org/news-releases/986309
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