Archive: 22/11/2011

Why has synesthesia survived evolution?

In the 19th century, Francis Galton noted that certain people who were otherwise normal "saw" every number or letter tinged with a particular color, even though it was written in black ink. For the past two decades researchers ...

Nov 22, 2011
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Surprising pathway implicated in stuttering

Researchers at Washington University School of Medicine in St. Louis have obtained new evidence that at least some persistent stuttering is caused by mutations in a gene governing not speech, but a metabolic pathway involved ...

Nov 22, 2011
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New study calls sodium intake guidelines into question

For years doctors have warned that too much salt is bad for your heart. Now a new McMaster University study suggests that both high and low levels of salt intake may put people with heart disease or diabetes at increased ...

Nov 22, 2011
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