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March20 podcast Dr Hazen
anti-TMA pill in a year or 2 ? (scroll 12 mins)

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MEBO Karen
at UK Findacure conf 2020

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MEBO Map Testing & Meetups

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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



TMAU Petition world
TMAU UK end total:262
TMAU UK ends 23/01/20
TMAU Petition USA end total 204
USA : Moveon open
TMAU (Dominican)
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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Blog Archive

MEBO Research Clinical Trials

Click here to read details of the MEBO Clinical Trials
NCT03582826 - Ongoing not recruiting
Microbial Basis of Systemic Malodor and PATM Conditions (PATM)
United States 2018 - ongoing

NCT02683876 - Completed
Exploratory Study of Relationships Between Malodor and Urine Metabolomics
Canada and United States 2016 - ongoing

NCT03451994 - Completed
Exploratory Study of Volatile Organic Compounds in Alveolar Breath
United Kingdom and United States 2013 - ongoing

NCT02692495 - Completed
Evaluation of Potential Screening Tools for Metabolic Body Odor and Halitosis
United Kingdom 2009 - 2012

Wednesday, June 3, 2009

Human olfactory psychophysics

This is a mainstream research paper about the sense of smell and is probably the current viewpoint of the mainstream on the olfactory system. It mentions concepts such as 'specific anosmia', 'threshold', and 'adaptation'. 'Specific anosmia' is the genetic inability to smell specific smells. Fecal body odor sufferers (or other bowel smells or other odd smells) often say they cannot smell themselves. This also seems to be the general rule for people with external body odor. However, those with fecal body odor can smell feces odor from other sources (not through human skin, it seems), so specific anosmia doesn't seem to be the reason. The same seems true for trimethylaminuria and probably other metabolic body odors, although Dr John Cashman believes that perhaps 8% cannot smell trimethylamine, although it's not known if he means only from humans or from any source. for example, most people seem to be able to smell fish. Another theory for this is 'adaptation' and desensitivity to the smell. This seems more likely than specific anosmia, however, perhaps sufferers have been in situations where a group of strangers complain of a smell but one stranger says they can't smell anything (for instance in school). Adaptation and desensitivity do not seem to account for this. At the moment it is a mystery. the most likely guess is that there is some genetic aspect, as of yet unknown.

That aside, the article is seemingly the 'latest' (2004) in olfactory perception and worth a read

Human olfactory psychophysics
Andreas Kellera and Leslie B. Vosshall 2004


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