Nanyang Technological University, Singapore Nov 19 2025 "Drains" in the brain, responsible for clearing toxic waste in the organ, tend to get clogged up in people who show signs of developing Alzheimer's disease, a study by researchers from Nanyang Technological University, Singapore (NTU Singapore) has discovered. This suggests that such clogged drains, a condition known as "enlarged perivascular spaces", are a likely early-warning sign for Alzheimer's, a common form of dementia. "Since these