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

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...