Epigenomics. 2026 Feb 17:1-11. doi: 10.1080/17501911.2026.2630841. Online ahead of print. ABSTRACT AIM: Tobacco smoking induces persistent DNA methylation (DNAm) changes in blood that can serve as long-term biomarkers for smoking exposure. We aimed to develop and validate a DNAm classifier of smoking status using Illumina EPIC array data. METHODS: We…

