Hormone links sleep, hunger and metabolism, researchers find

While investigating how the hormone orexin might control sleep and hunger, researchers at UT Southwestern Medical Center have discovered, to their surprise, that it activates a protein, HIF-1, long known to stimulate cancerous tumor growth.

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<p><a href="http://www.physorg.com/news114285227.html">Hormone links sleep, hunger and metabolism, researchers find</a></p> <p>While investigating how the hormone orexin might control sleep and hunger, researchers at UT Southwestern Medical Center have discovered, to their surprise, that it activates a protein, HIF-1, long known to stimulate cancerous tumor growth.</p>