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
Journal retracts two papers evaluating ADHD interventions
Frontiers in Public Health retracted one paper for its “unacceptable level of similarity” to another paper, and the other over concerns about its “scientific validity.”
Journal retracts two papers evaluating ADHD interventions
Frontiers in Public Health retracted one paper for its “unacceptable level of similarity” to another paper, and the other over concerns about its “scientific validity.”
By
Calli McMurray
6 November 2025 | 5 min read
Constellation of studies charts brain development, offers ‘dramatic revision’
The atlases could pinpoint pathways that determine the fate of cells linked to neurodevelopmental conditions.
Constellation of studies charts brain development, offers ‘dramatic revision’
The atlases could pinpoint pathways that determine the fate of cells linked to neurodevelopmental conditions.
By
Holly Barker
5 November 2025 | 6 min read
Daniel Nicholson discusses how Schrödinger’s book ‘What is Life?’ shaped years of biology, research
Combing through historical archives, Nicholson discovered what drove Erwin Schrödinger to pen “What Is Life,” his famous "little book": Schrödinger feared that new discoveries in quantum physics would influence how we think about free will.
Daniel Nicholson discusses how Schrödinger’s book ‘What is Life?’ shaped years of biology, research
Combing through historical archives, Nicholson discovered what drove Erwin Schrödinger to pen “What Is Life,” his famous "little book": Schrödinger feared that new discoveries in quantum physics would influence how we think about free will.
By
Paul Middlebrooks
5 November 2025 | 1 min read