Original ResearchPublished 1 October 2026Insulin resistance–related metabolic burden, white matter microstructure, and cognitive change: the HABS-HD studyHuaiyi Li · Zhiliang Tian · Xiaoqian Wang · Weiwei Gao · Jingjing She · Sid E O’BryantFrontiers in Neurosciencedoi 10.3389/fnins.2026.1967890