Scientists Uncover Protein's Weight-Loss Secrets

A study of protein-munching rats shows that a low-carb diet sparks a chain of
biological events that ultimately curbs hunger.

The French researchers explain it this way: Protein, the staple of such
weight-loss regimens, appears to increase glucose production in the small
intestine — the rise of which is monitored by the liver and then registered by
the brain. In turn, the brain sends out an “all full” message, cutting back on
the drive to eat more.

“The current findings provide an answer to the question of how
protein-enriched meals decrease hunger and reduce eating, unsolved up to now,”
the study authors, led by Gilles Mithieux of the Institut National de la Sante
et de la Recherche Medicale in Lyon, France, said in a prepared statement.

“This novel understanding of the effect of diet protein will open new gates
in the elaboration of future medical treatments of obesity,” Mithieux said.

The researchers fed one group of rats a 50 percent-protein diet enriched with
soya protein and casein. Another group ate a starch-enriched diet that contained
just 17 percent protein.

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