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| New clues to how the brain and body communicate to regulate weight Posted: 28 Oct 2012 06:21 AM PDT Maintaining a healthy body weight may be difficult for many people, but it's reassuring to know that our brains and bodies are wired to work together to do just that—in essence, to achieve a phenomenon known as energy balance, a tight matching between the number of calories consumed versus those expended. This careful balance results from a complex interchange of neurobiological crosstalk within regions of the brain's hypothalamus, and when this "conversation" goes awry, obesity or anorexia can result. |
| Canadian scientists discover cause of high cholesterol Posted: 28 Oct 2012 05:48 AM PDT Canadian scientists have discovered that a protein called resistin, secreted by fat tissue, causes high levels of "bad" cholesterol (low-density lipoprotein or LDL), increasing the risk of heart disease. |
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