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A Blood Test for Suicide?

Johns Hopkins researchers say they have discovered a chemical alteration in a single human gene linked to stress reactions that, if confirmed in larger studies, could give doctors a simple blood test to reliably predict a person’s risk of attempting suicide.

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Acupuncture Provides Significant Quality of Life Improvements Among Breast Cancer Patients Taking Drugs to Prevent Recurrence, Penn Study Shows

Use of electroacupuncture (EA) – a form of acupuncture where a small electric current is passed between pairs of acupuncture needles – produces significant improvements in fatigue, anxiety and depression in as little as eight weeks for early stage breast cancer patients experiencing joint pain related to the use of aromatase inhibitors (AIs) to treat breast cancer. The results of a randomized, placebo-controlled trial examining the intervention led by researchers at the Perelman School of Medicine at the University of Pennsylvania are published online this week in the journal Cancer. The study is the first demonstration of EA’s efficacy for both joint pain relief, as well as these other common symptoms.

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A reporter's PressPass is required to access this story until the embargo expires on 30-Jul-2014 1:00 PM EDT

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A reporter's PressPass is required to access this story until the embargo expires on 31-Jul-2014 12:00 PM EDT

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A reporter's PressPass is required to access this story until the embargo expires on 31-Jul-2014 4:00 PM EDT

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Learning the Smell of Fear: Mothers Teach Babies Their Own Fears via Odor

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Babies can learn what to fear in the first days of life just by smelling the odor of their distressed mothers’, new research suggests. And not just “natural” fears: If a mother experienced something before pregnancy that made her fear something specific, her baby will quickly learn to fear it too -- through her odor when she feels fear.

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Cell's Recycling Center Implicated in Division Decisions

Most cells do not divide unless there is enough oxygen present to support their offspring, but certain cancer cells and other cell types circumvent this rule. Researchers have now identified a mechanism that overrides the cells’ warning signals, enabling cancers to continue to divide even without a robust blood supply.

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Whitehead Institute Researchers Create “Naïve” Pluripotent Human Embryonic Stem Cells

Embryonic stem cell (ESC) research has been hampered by the inability to transfer research and tools from mouse ESC studies to their human counterparts, in part because human ESCs are “primed” and slightly less plastic than the mouse cells. Now researchers in the lab of Whitehead Institute Founding Member Rudolf Jaenisch have discovered how to manipulate and maintain human ESCs into a “naïve” or base pluripotent state similar to that of mouse ESCs without the use of any reprogramming factors.

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