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| Ancient dental plaque: A 'Whey' into our milk drinking past? Posted: 27 Nov 2014 06:49 AM PST We drink milk because it is good for us, but we rarely stop to think "Why?" Archaeologists and geneticists have been puzzling this question since it was revealed that the mutations which enable adults to drink milk are under the strongest selection of any in the human genome.       |
| Gut microbiota influences blood-brain barrier permeability Posted: 19 Nov 2014 11:22 AM PST Our natural gut-residing microbes can influence the integrity of the blood-brain barrier, which protects the brain from harmful substances in the blood, a new study in mice shows. The blood-brain barrier is a highly selective barrier that prevents unwanted molecules and cells from entering the brain from the bloodstream.  |
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