Biological mechanism underlying Huntington's disease may be more widespread in the brain than previously thought
In 2025, a team of scientists revealed some unexpected findings about how the inherited DNA repeat associated with Huntington's disease causes the illness—by slowly expanding throughout a person's life, then becoming toxic after enlarging to several times its original length. The findings were in a specific brain region, the striatum, but it wasn't clear if the same process was directly causing…
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