John N. Constantino is a board-certified child and adolescent psychiatrist and chief of behavioral and mental Health at Children’s Healthcare of Atlanta, as well as professor of psychiatry and pediatrics at Emory University School of Medicine. He is an international leader in autism trait phenotyping, sex differences in autism, and endophenotypic analyses.

John Constantino
Chief of behavioral and mental health
Children’s Healthcare of Atlanta
From this contributor
Autism is more heritable in boys than in girls
If boys have greater inherited liability for autism, the female protective effect may not fully explain the sex difference in prevalence.

Autism is more heritable in boys than in girls
Q&A with John Constantino: Solving the biomarker conundrum
Biological factors that reflect autism’s roots may differ from those that influence how severe the condition is. Failure to make a distinction has stymied the search for biomarkers.

Q&A with John Constantino: Solving the biomarker conundrum
Traits of other conditions may spur autism
Early features of other conditions may contribute to autism itself

Traits of other conditions may spur autism
Japanese spectrum
Researchers studying autism prevalence should take into account the continuous nature of autism symptoms in the general population, says John Constantino.
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Meet the Autism Data Science Initiative grantees
The awarded projects plan to study gene-and-environment interactions in people, stem cells and organoids, as well as predictors of positive life outcomes in autistic youth and adults.

Meet the Autism Data Science Initiative grantees
The awarded projects plan to study gene-and-environment interactions in people, stem cells and organoids, as well as predictors of positive life outcomes in autistic youth and adults.
Exclusive: The 23 studies the FDA based its expanded leucovorin label on
The studies include 46 people, mostly toddlers, who have cerebral folate deficiency due to variants in a folate transporter.

Exclusive: The 23 studies the FDA based its expanded leucovorin label on
The studies include 46 people, mostly toddlers, who have cerebral folate deficiency due to variants in a folate transporter.
Autism researchers ‘pleasantly surprised’ by list of NIH data project grantees, despite initial concerns
An atypical funding mechanism, truncated application timeline and opaque review process had generated concern over the quality of projects that would be selected for the Autism Data Science Initiative.

Autism researchers ‘pleasantly surprised’ by list of NIH data project grantees, despite initial concerns
An atypical funding mechanism, truncated application timeline and opaque review process had generated concern over the quality of projects that would be selected for the Autism Data Science Initiative.