Monday, December 10, 2007

Research news: Most Ancient Case Of Tuberculosis Found In 500,000-year-old Human; Points To Modern Health Issues

The News:
Most Ancient Case Of Tuberculosis Found In 500,000-year-old Human; Points To Modern Health Issues
ScienceDaily (Dec. 8, 2007) — Although most scientists believe tuberculosis emerged only several thousand years ago, new research from The University of Texas at Austin reveals the most ancient evidence of the disease has been found in a 500,000-year-old human fossil from Turkey.

The discovery of the new specimen of the human species, Homo erectus, suggests support for the theory that dark-skinned people who migrate northward from low, tropical latitudes produce less vitamin D, which can adversely affect the immune system as well as the skeleton.
Prior to this discovery in western Turkey, which helps scientists fill a temporal and geographical gap in human evolution, the oldest evidence of tuberculosis in humans was found in mummies from Egypt and Peru that date to several thousand years ago.
Paleontologists spent decades prospecting in Turkey for remains of Homo erectus, widely believed to be the first human species to migrate out of Africa. After moving north, the species had to adapt to increasingly seasonal climates

The Research:
Read the research behind this story in the American Journal of Physical Anthropology.

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