/tags/orexins orexins en-US Copyright Mon, 23 Jun 2014 11:28:00 GMT /health-science-tech/2014-06-23/the-happy-peptide-in-the-battle-against-osteoporosis A study published in the journal Cell Metabolism by researchers at UT Southwestern Medical Center says a type of protein nerve cells use to communicate… Mon, 23 Jun 2014 11:28:00 GMT /health-science-tech/2014-06-23/the-happy-peptide-in-the-battle-against-osteoporosis Sam Baker