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
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Novel assembloid illuminates serotonin changes linked to 22q11.2 deletion
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Sarah DeWeerdt
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Reporter’s notebook: Highlights from INSAR 2026
At the 25th annual meeting of the International Society for Autism Research, scientists, clinicians and self-advocates gathered to discuss topics such as autism genetics and the gap between clinical trials and real-world benefits.
Reporter’s notebook: Highlights from INSAR 2026
At the 25th annual meeting of the International Society for Autism Research, scientists, clinicians and self-advocates gathered to discuss topics such as autism genetics and the gap between clinical trials and real-world benefits.
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Diana Kwon
30 April 2026 | 6 min read
Scientists push back against stricter European Research Council grant application rules
In an open letter, scientists call the ERC’s suggestion to block grant reapplications for an additional year “at odds with scientific excellence.”
Scientists push back against stricter European Research Council grant application rules
In an open letter, scientists call the ERC’s suggestion to block grant reapplications for an additional year “at odds with scientific excellence.”
By
Lauren Schenkman
29 April 2026 | 5 min read