[Source: Psych Central]

In a new study, University of California (UC) Davis MIND Institute researchers found an unexpected set of mental illnesses in patients with a spectrum of fragile X syndrome, a rare single-gene disorder that is the leading inherited cause of intellectual disability.

The patients in the study had a “double-hit” condition that combined features and symptoms of fragile X syndrome and premutation disorder, a condition associated with the development of neurological problems typically associated with aging.

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