Most children with a rare autism-linked mutation develop baby teeth one to two years earlier than usual.
Autism’s core symptoms accompany a constellation of subtle signs that scientists are just beginning to unmask.
Autism looks similar in girls and boys, suggest results from a large study.
A minority of boys with autism have brains that are unusually large relative to their bodies — a trait tied to regression and intellectual disability.
Many children with autism who take antipsychotic medications do not receive behavioral therapy.
Most children with autism go undiagnosed until after age 3, and many of these children remain undiagnosed until after they reach school age.
Children who carry certain rare mutations linked to autism learn to walk late — but have less severe social and language difficulties than do other children with the condition.
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