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Eating yogurt without more does not produce lasting changes in the mix of bacteria in the GI tract

Prior posts have noted the impact of GI bacteria on human health, from their potential to prevent a variety of diseases to perhaps being the cause of other afflictions. In what has been referred to as an elegant study, researchers undertook human and animal studies to ascertain what effect, if any...

DNA Predicts Only a Few Disorders

Prior posts have noted that gene functioning can be modified by a number of processes, such as methylation. Recently animal tests have found that some of these modifications are passed on to off-spring even though no change is made to the gene itself, only to its expression. Prior posts have also noted...

Unexpectedly, Prions Can Move Between Species and Target Organs Other Than the Brain

A recent post noted that viruses from bush meat can jump from one species to the next, and that as such bush meat poses a major health threat. The mobility of prions has also been underestimated. (For a general description of prions, see Prion .) Researchers have shown that engineered mice can be infected...