# Smell, an Underrated Early Biomarker for Brain Aging

> Research article (Frontiers in Neuroscience, 2020) · cited 29× · AI/ML

**Wikidata**: [openalex:W3080202768](https://www.wikidata.org/wiki/openalex:W3080202768)  
**Source**: https://4ort.xyz/entity/smell-an-underrated-early-biomarker-for-brain-aging