A mother embraced a pioneering hair test for her son, providing crucial clarity amid delays in autism evaluation, reflecting ...

A startup called LinusBio says its test can help doctors rule out autism spectrum disorder in children 1 to 36 months old. Courtesy Linus Bio Feb. 6, 2025, 10:00 AM EST ...

But it’s not always easy to make an ASD diagnosis. There’s no lab test for it, so doctors rely on observing the behaviors of very young children and listening to the concerns of their parents.

Know about autism, including its symptoms, causes, types, and testing methods. Explore WebMD's comprehensive guide to better understand and manage autism.

A test that identifies biomarkers associated with autism just became available in most states. It's meant to help rule out autism in children who have higher likelihoods of it.