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
Bringing neuroscience to rural Mexico: In conversation with Mónica López-Hidalgo
By offering education and translating scientific terms into Indigenous languages, López-Hidalgo’s outreach program, Neurociencias Para Todos, provides schoolteachers with tools to bring neuroscience to their communities.
Bringing neuroscience to rural Mexico: In conversation with Mónica López-Hidalgo
By offering education and translating scientific terms into Indigenous languages, López-Hidalgo’s outreach program, Neurociencias Para Todos, provides schoolteachers with tools to bring neuroscience to their communities.
By
Ashley Juavinett
1 September 2025 | 5 min read
Llevando la neurociencia al México rural: En conversación Mónica López-Hidalgo
A través de la educación y traducción de términos científicos en lenguas indígenas, el programa Neurociencias Para Todos provee de herramientas a maestros para llevar la neurociencia a sus comunidades.
Llevando la neurociencia al México rural: En conversación Mónica López-Hidalgo
A través de la educación y traducción de términos científicos en lenguas indígenas, el programa Neurociencias Para Todos provee de herramientas a maestros para llevar la neurociencia a sus comunidades.
By
Ashley Juavinett
1 September 2025 | 6 min read
Worms help untangle brain structure/function mystery
The synaptic connectome of most animals bears little resemblance to functional brain maps, but it can still predict neuronal activity, according to two preprints that tackle the puzzle in C. elegans.
Worms help untangle brain structure/function mystery
The synaptic connectome of most animals bears little resemblance to functional brain maps, but it can still predict neuronal activity, according to two preprints that tackle the puzzle in C. elegans.
By
Holly Barker
29 August 2025 | 7 min read