| Abbreviation | Definition |
| EpiAge-R | Epigenetic Age with Resilience |
| EDI | Epigenetic Damage Index |
| RCI | Repair Capacity Index |
| PRI | Physiological Resilience Index |
| BAI | Behavioural/Environmental Adaptation Index |
| CpG | Cytosine-phosphate-Guanine |
| HRV | Heart-Rate Variability |
| SASP | Senescence-Associated Secretory Phenotype |
| LADs | Lamina-Associated Domains |
| TADs | Topologically Associating Domains |
| LINC | Linker of Nucleoskeleton and Cytoskeleton |
| mtDNA | Mitochondrial DNA |
| SIRT1 | Sirtuin 1 |
| BDNF | Brain-Derived Neurotrophic Factor |
| OXTR | Oxytocin Receptor |
| HPA | Hypothalamic-Pituitary-Adrenal |
| HATs | Histone Acetyltransferases |
| HDACs | Histone Deacetylases |
| SNPs | Single Nucleotide Polymorphisms |
| mQTLs | Methylation Quantitative Trait Loci |