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Oxyntomodulin and peptide tyrosine-tyrosine (PYY) are released from intestinal enteroendocrine cells in response to a meal. These circulating hormones are considered to be satiety signals, as they ...

It sounds like a weight watcher’s dream come true: a simple hormone, long thought to play an obscure function in the pancreas, turns out instead to be a powerful appetite suppressant–the body’s way of ...

When it was first discovered, scientists dubbed peptide YY3-36 (PYY) the fullness hormone. That’s because PYY–a protein produced by the gut–functions as a powerful appetite suppressant, at least in ...