Or, perhaps better, here: http://med.stanford.edu/ism/2013/july/ratios.html http://med.stanford.edu/ism/2013/july/ratios.html -- this being where ScienceDaily c

Or, perhaps better, here: http://med.stanford.edu/ism/2013/july/ratios.html http://med.stanford.edu/ism/2013/july/ratios.html -- this being where ScienceDaily copied it from. (There's actually a tiny bit of extra information in the Stanford version, namely its last sentence.) Or here: http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0067867 http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjourna... -- this is the journal article it's all about, and reports the research in much more detail.