| ACTH | Adrenocorticotropic hormone |
| AD | Alzheimer’s disease |
| Aβ | Amyloid beta |
| CB1R | Cannabinoid receptor 1 |
| eGFR | Epidermal growth factor receptors |
| GABA | Gamma-aminobutyric acid |
| GLP-1 | Glucagon-like-peptide-1 |
| HPA | Hypothalamic–pituitary–adrenal |
| IFN | Interferon |
| IGFR | Insulin-like growth factor receptor |
| IL | Interleukin |
| MAD | Major depression |
| MD | Myeloid differentiation factor |
| NK | Natural killer cell |
| PC | Prohormone Convertase |
| POMC | Proopiomelanocortin |
| PTSD | Post-traumatic stress disorder |
| REM | Rapid eye movement |
| ROS | Reactive oxygen species |
| TLR | Toll-like receptor |
| TNF | Tumor necrosis factor |