Carrie Arnold is a Virginia-based freelance science journalist who covers many aspects of the living world. She’s a contributing editor at NOVA Next, and has also written for Mosaic, National Geographic, Aeon, Nautilus, Scientific American and Women’s Health. She is also the author of “Decoding Anorexia: How Breakthroughs in Science Offer Hope for Eating Disorders.”
Carrie Arnold
From this contributor
Weighing up autism’s obesity crisis
Autism’s underlying biology, associated behaviors and treatments can all put people on the spectrum at serious risk for obesity.
Rare form of autism shows unique pattern of regression
More than 40 percent of children with Phelan-McDermid syndrome lose skills they once had, beginning, on average, at age 6.
Rare form of autism shows unique pattern of regression
By
Carrie Arnold
24 May 2017 | 3 min read
The innovators: How families launch their own autism studies
Some parents are starting ‘N-of-1’ studies for autism, but their efforts don’t always get taken seriously.
The innovators: How families launch their own autism studies
By
Carrie Arnold
28 September 2016 | 20 min read
The invisible link between autism and anorexia
Autism and anorexia may seem to have nothing in common, but below the surface, the two conditions are startlingly similar—and sometimes affect the same person.
The invisible link between autism and anorexia
By
Carrie Arnold
17 February 2016 | 18 min read
Explore more from The Transmitter
What leeches reveal about movement
Lidia Szczupak turned to the animals to explore how the nervous system coordinates movement.
What leeches reveal about movement
Lidia Szczupak turned to the animals to explore how the nervous system coordinates movement.
By
Claudia López Lloreda
27 August 2026 | 6 min read
Rising star: Lucia Peixoto, breaking down the interplay between sleep and autism
The young researcher from Uruguay uses her expertise in genetics — and discipline as a former athlete — to untangle sleep's role in neurodevelopmental conditions, one experiment at a time.
Rising star: Lucia Peixoto, breaking down the interplay between sleep and autism
The young researcher from Uruguay uses her expertise in genetics — and discipline as a former athlete — to untangle sleep's role in neurodevelopmental conditions, one experiment at a time.
By
Angie Voyles Askham
27 August 2026 | 10 min read
The big idea with Diego Bohórquez
His theories around the neuropod have challenged the boundaries of classic ideas regarding gut-brain communication.
The big idea with Diego Bohórquez
His theories around the neuropod have challenged the boundaries of classic ideas regarding gut-brain communication.
By
Sydney Wyatt
27 August 2026 | 12 min read