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MEBO - UBIOME study 2018



MEBO Gut Microbiome Study
"Microbial Basis of Systemic Malodor and PATM Conditions (PATM)"
Funded by uBiome Research Grant

"Microbial Basis of Systemic Malodor and PATM Conditions (PATM)"

Dynamics of the Gut Microbiota in
Idiopathic Malodor Production

Started May 2018 - Ongoing

Current people sent kits : 100/100
3 kits per person


Participation info : LINK English

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BO Sufferers Podcasts


Metabolomic Profiling Study

Start : Aug 2016
Stage 1 : 27 Canadian volunteers to test
Latest click here (26 oct) :
17 samples returned

Note : Stage 1 is Canada only.
Return cut-off date : passed
Analysis can take 6/8 weeks
Analysis start in/before Nov
MEBO Research is a
NORD Member Organization
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Thursday, March 12, 2009

2008 paper on neuronal processing of body odor

Functional neuronal processing of body odors differs from that of similar common odors

Lundström JN, Boyle JA, Zatorre RJ, Jones-Gotman M.

Department of Psychology, McGill University, Montreal, QC, H3A1B1, Canada.

2008 paper on the neuronal processing of body odor

At the moment, the reason why most people can't be smelt by some people is wide open to theories. This seems to include 'classic' external body odor (armpit body odor), rather than just metabolic body odor (where it seems to be mostly the norm).

The olfactory system seems to be the least understood sense, and so no answers seem forthcoming soon. The main areas of theory would likely be around the olfactory system itself, or that some 'non-smellers' carry the same toxins in their circulating system themselves, and so there may not a wide enough 'detection gap'. Who knows ?

On a similar note, recent research by a group of Swedish scientists (psychologists) came up with the conclusion that the olfactory system 'learns' neural pathway patterns, and recognises 'friends' 'body odor' (presumably the non-detectable type ?) and feels safe, whereas new peoples 'body odor' stimulates fear (?)
Visual and auditory stimuli of high social and ecological importance are processed in the brain by specialized neuronal networks. To date, this has not been demonstrated for olfactory stimuli. By means of positron emission tomography, we sought to elucidate the neuronal substrates behind body odor perception to answer the question of whether the central processing of body odors differs from perceptually similar nonbody odors. Body odors were processed by a network that was distinctly separate from common odors, indicating a separation in the processing of odors based on their source. Smelling a friend's body odor activated regions previously seen for familiar stimuli, whereas smelling a stranger activated amygdala and insular regions akin to what has previously been demonstrated for fearful stimuli. The results provide evidence that social olfactory stimuli of high ecological relevance are processed by specialized neuronal networks similar to what has previously been demonstrated for auditory and visual stimuli.


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