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Dr. William Kaelin Among 3 Nobel Prize Winners For Physiology Or Medicine17:09
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William G. Kaelin Jr. holds a model of his work as he speaks at a news conference, Monday, Oct. 7, 2019, in Boston, after he was awarded the Nobel Prize for Physiology or Medicine. Kaelin, who teaches at Harvard Medical School, shares the prize with Peter J. Ratcliffe and Gregg L. Semenza for their discoveries of how cells sense and adapt to oxygen availability, the Nobel Committee announced Monday. (Elise Amendola/AP)
William G. Kaelin Jr. holds a model of his work as he speaks at a news conference, Monday, Oct. 7, 2019, in Boston, after he was awarded the Nobel Prize for Physiology or Medicine. Kaelin, who teaches at Harvard Medical School, shares the prize with Peter J. Ratcliffe and Gregg L. Semenza for their discoveries of how cells sense and adapt to oxygen availability, the Nobel Committee announced Monday. (Elise Amendola/AP)

The 2019 Nobel Prize for Physiology or Medicine was awarded Monday to Dr. William Kaelin and two others for their discoveries in how the body’s cells sense and react to oxygen levels.

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Dr. William Kaelin, 2019 Nobel Prize winner in Physiology or Medicine. Professor of medicine at Harvard Medical School and the Dana-Farber Cancer Institute (@harvardmed, @DanaFarber). Senior physician at Brigham and Women’s Hospital.

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Associated Press: "Nobel Medicine prize awarded to 3 scientists for learning how cells use oxygen" — "The 2019 Nobel Prize for Physiology or Medicine was awarded Monday to two Americans and a British scientist for their discoveries in how the body’s cells sense and react to oxygen levels.

"Their work has paved the way for new strategies to fight anemia, cancer and other diseases, the Nobel Committee of the Karolinska Institute said in awarding the prize.

"The winners are Dr. William G. Kaelin Jr. of Harvard University, Dr. Gregg L. Semenza of Johns Hopkins University and Peter J. Ratcliffe at the Francis Crick Institute in Britain.

"They will share equally the 9 million kronor ($918,000) cash award. It is the 110th prize in the category that has been awarded since 1901.

"In announcing the prize, the Nobel Committee said the work by the three laureates has 'greatly expanded our knowledge of how physiological response makes life possible.' It said Semenza, Ratcliffe and Kaelin found 'the molecular switch for how to adapt' when oxygen levels in the body vary, noting that the most fundamental job for cells is to convert oxygen to food and that cells and tissues constantly experience changes in oxygen availability."

This segment aired on October 10, 2019.

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