Scientists close in on microbiome exports as key brain disease

Experts are gathering evidence that suggests widespread invasions of the so-called brain microbiota – as there are dozens of bacteria that fall outside the gut – by microbes that feed on peoples brain tissue have resulted in widespread brain infections and even death.

The Americas are where most of the zoonotic brain diseases – including dyskinesia schizophrenia and autism – have been found. But in some nations particularly to the west the prevalence of brain infections through the diet of humans has been found to be very much higher than has been conventionally assumed.

This is one area for which no one has done a comparative analysis at the global level explained Alexey Roussoy professor at the Amherst College of Physicians and the director of the Center for B-vitamin D at the University of Vermont. It is clear that the impact of brain infections in the general population is much greater than that of closely related diseases such as worms or flu viruses. But the question of whether microscopic exports of brain microbes from the gut is commonplace has from our study of brain tourists in Western and Central European countries been a consistent and important question to us.

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