SEATTLE — Andrea Gilbert thought she knew what would happen to her brain.The 79-year-old retired attorney, who has Alzheimer’s disease and receives care at Harborview Medical Center in Seattle, agreed to donate it for research in 2023. She hoped to help scientists unlock the keys to a disease that had left her writing notes to remind herself if she’d already brushed her teeth.The fate of that program is now in limbo because the Trump administration has upended the system that funds biomedical re...