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Autism linked to specific gut bugs, promising quick, accurate diagnosis


Autism spectrum disorder is associated with distinct changes to the composition and functioning of a wide range of gut microorganisms, according to a new study. The findings pave the way for developing an accurate diagnostic test for the condition.

Prior research has linked the composition of gut bacteria to brain-related conditions like depression, PTSD and Alzheimer’s disease, and multiple sclerosis. New research by the Chinese University of Hong Kong (CUHK) in China looked beyond only gut bacteria and found that changes in the composition and functioning of both bacterial and non-bacterial microorganisms are associated with autism spectrum disorder (ASD). They found that it accurately predicted ASD diagnosis across different ages, sexes, populations, and geographical locations, much better than using a single species of microorganism, such as bacteria.

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