Microbiome

Recent articles

Going against the gut: Q&A with Kevin Mitchell on the autism-microbiome theory

A new review of 15 years of studies on the connection between the microbiome and autism reveals widespread statistical and conceptual errors.

By Lauren Schenkman
13 November 2025 | 7 min read
Illustration of a body, brain visible through a transparent head, looking at orange circles over its hands.

Rethinking mental health: The body’s impact on the brain

Mounting evidence illustrates how peripheral molecules can influence brain function, offering new therapeutic targets.

By Georgia E. Hodes
11 February 2025 | 6 min read
A photograph of researcher Aya Osman

Striking a pose with Aya Osman

The neuroscientist and part-time fashion model opens up about the people who inspire her; her interest in science communication; and how she once ended up on a stage with Channing Tatum.

By Angie Voyles Askham
31 May 2024 | 7 min read
Research image of microglia in rats.

Temperament is innate but hackable, animal studies suggest

Emotional reactivity and vulnerability to stress are largely inherited in rodents — but can be modified in early life by targeting inflammation-related cells or even just adjusting an animal’s environment.

By Holly Barker
23 January 2024 | 8 min read
Digital illustration of Prevotella bacteria.

Gut microbiome meta-analysis reveals consistent autism signal

But the field needs to move on from cross-sectional studies to gain insights into the causes and consequences of the association, experts say.

By Calli McMurray
22 August 2023 | 5 min read

‘wildDISCO’ cocktail yields whole-body maps of mouse neurons and more

A new technique used to create see-through rodents can help scientists analyze how the nervous system interacts with other body systems.

By Charles Q. Choi
20 July 2023 | 4 min read
Illustration of a pregnant woman seated next to a large diagram of the brain featuring chromosomes, bacteria and other microbes.

The link between maternal infection and autism, explained

Having an infection during pregnancy is tied to a small increase in the chances of having an autistic child, but the connection may not be causal.

By Charles Q. Choi
13 December 2022 | 8 min read
Illustration of hybrid objects: part light bulb, part lab vial, some in blue and some in red to signify null and replicated results.

Null and Noteworthy: COVID-19 conclusions; diagnosis duplication; oxytocin again

This month’s newsletter explores the pandemic’s effects on autism rates, trends in co-occurring mental health conditions, and the impact of intranasal oxytocin.

By Emily Harris
10 November 2022 | 5 min read
Illustration of hybrid objects: part light bulb, part lab vial, some in blue and some in red to signify null and replicated results.

Null and Noteworthy: Medication timing; oxytocin amounts; sensory sameness

Parents’ health, treatment dosages and sensory perception feature in this month’s crop of null and replicated results.

By Emily Harris
13 October 2022 | 5 min read

Gut molecule linked to decreased myelination in mouse brains

Targeting the molecule, 4EPS, with an experimental drug may be a way to ease anxiety for autistic people, the researchers say. But not everyone is convinced.

By Angie Voyles Askham
14 February 2022 | 6 min read

Explore more from The Transmitter

Noninvasive method lifts curtain on cerebrospinal-fluid dance in human brain

Cerebrospinal fluid shows brain-region-specific dynamics, a new high-resolution MRI approach reveals.

By Claudia López Lloreda
14 November 2025 | 4 min read

Aging as adaptation: Learning the brain’s recipe for resilience

Some age-related changes in the brain and in behavior are not solely the result of cognitive decline but rather part of a larger adaptive process.

By Dana Rubi Levy, Kevin Mastro, Michael Ryan
14 November 2025 | 6 min listen
Research image of fMRI scans on a black background.

Timing tweak turns trashed fMRI scans into treasure

Leveraging start-up “dummy scans,” which are typically discarded in imaging analyses, can shorten an experiment’s length and make data collection more efficient, a new study reveals.

By Angie Voyles Askham
13 November 2025 | 6 min read

privacy consent banner

Privacy Preference

We use cookies to provide you with the best online experience. By clicking “Accept All,” you help us understand how our site is used and enhance its performance. You can change your choice at any time. To learn more, please visit our Privacy Policy.