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HYPOTHESIS: BACTERIA CONTROL HOST COGNITION. "Changes in microbial diversity and hence the microbial organ influence the function of components of the CNS (i.e., brain) as reflected in altered cognition." (Lyte, 2010). http://jb.asm.org/content/195/3/411.full View in LinkedIn

PROBIOTIC IMPROVES MOOD. "A double-blind, randomized, placebo controlled trial found that mood was significantly improved by drinking probiotic lactobacillus casei in participants whose mood was initially in the lowest tercile." Other animal studies show similar effects of the microbiota on stress and mood. https://lnkd.in/eknVNSM View in LinkedIn

EVIDENCE. There are a number of lines of evidence for mechanisms of gene manipulation of the host by the diet preferences of the gut microbiota. https://lnkd.in/eknVNSM View in LinkedIn

DIFFERENT AGENDAS. "Metagenomic conflict between host and microbiome...potentially altering host eating behavior in ways that benefit microbial fitness." https://lnkd.in/eknVNSM View in LinkedIn

CONFLICTS OF INTEREST. "Conflict over resource acquisition and resource allocation can occur as a result of different genetic interests within an organism. For example, genetic conflicts between maternal and paternal genes is hypothesized to play a role in the unusual eating behavior that characterizes the childhood diseases Beckwith-Weidenmann syndrome and Prader-Willi syndrome...(which result) from over expression of genes of paternal and maternal origin, respectively." https://lnkd.in/eknVNSM View in LinkedIn

BACTERIAL HIJACKINGS. Gut microbes can manipulate host eating behavior by hijacking their host's nervous system. Evidence shows that microbes can have dramatic effects on behaviors through the microbiome-gut-brain axis. https://lnkd.in/eknVNSM View in LinkedIn

HOST REPROGRAMMING. There are many examples of microbes affecting their hosts' mood and behavior. As our microbiomes get thrown off balance by diet, pollution and stress, allowing undesirable microbiota to become dominant, these new players may adversely affect our own mood and behaviors. https://lnkd.in/eknVNSM View in LinkedIn

WESTERN DIETS, combined with increased pollutants, and stress cause the release of inflammatory molecules in the body. Inflammation is thought today to be an early marker of many diseases. Poor diet, pollutants and stress also negatively impact the microbiome, which plays a key role in maintaining host health, and leads to disbalance and pathology. https://lnkd.in/eAuv5UZ View in LinkedIn

ADAPTIVE TASTE RECEPTORS. "The longer we eat healthier foods, the better they taste" particularly low fat and low salt diets, an acute adaptation of our taste buds. https://lnkd.in/exh7MF5 View in LinkedIn

CHANGING TASTE BUDS. "Our tongues appear to become more sensitive to fat if we eat less of it. And the more sensitive our tongues become, the less butter, meat, dairy, and eggs study subjects ate. We also get a blunted taste for fat if we eat too much. This diminished fat sensitivity has been linked to earring more calories. This numbing of our ability to taste fat can happen in just a few weeks." https://lnkd.in/e7xGG4q View in LinkedIn