R.I.P. Hygiene Hypothesis

R.I.P. Hygiene Hypothesis

I’ve just come across this excellent article in the current issue of PNAS – by science writer Megan Scudellari. The article is liberally sprinkled with quotes from the doyen of the so-called “old friends” hypothesis, Graham Rook of University...
The appendix – a necessary nuisance

The appendix – a necessary nuisance

Why do we still have an appendix? Measuring only 10 cm long and 7 mm wide, it must be one of the most troublesome vestigial organs in the human body. A quarter of a million cases of appendicitis were accounted for in the US in the five years between 1979 and 1984 and...
Microbiome transplants seem effective against some autism symptoms

Microbiome transplants seem effective against some autism symptoms

For a few years now, Rosa Krajmalnik-Brown from ASU has been researching whether the microbiota are implicated in autism spectrum disorder, either by affecting a range of measurable behavioural characteristics of ASD or by affecting the gastro-intestinal discomfort...