The complex nexus of alcohol consumption and rheumatoid arthritis: Unraveling insights for disease management 1 | INTRODUC TI ON Rheumatoid arthritis (RA) is a common autoimmune affliction characterized by the immune system targeting joint linings, triggering inflammation and potentially persistent joint damage. This condition, prevalent in approximately 1 in 200 adults globally, poses formidable challenges for individuals and healthcare systems. Notably affecting women aged 50-59, RA transcends joint health and can harm various organs, including the lungs, heart, skin, blood vessels, and eyes. As such, it emerges as a significant autoimmune disorder with sweeping implications for both joint and organ well-being, necessitating comprehensive understanding and management. 1 2 | FAC TOR SINFLUEN CINGR A Modifiable environmental elements, such as lifestyle choices, and non-modifiable factors, such as genetics and gender, shape RA's development. Modifiable environmental factors significantly impact RA development and management. Smoking, obesity, low vitamin D levels, and oral contraceptive use are notable risk factors, while a Mediterranean diet, omega-3 fatty acids, fish oil, and moderate alcohol intake may reduce the risk. Combined with genetics, these factors can trigger mucosal inflammation in the lung and gut, potentially initiating RA. Moreover, environmental factors continue to influence the disease course. They interact with genetic risk factors, leading to variations in disease severity. 2-4 A significant three-way interaction involving alcohol, smoking, and the human leukocyte antigen (HLA)-DRB1-shared epitope (SE) is related to the risk of anticitrullinated protein antibody (ACPA) positive RA. This interaction remains statistically significant even when accounting for two-way interactions. Regardless of smoking habits, combining alcohol abstinence and HLA-DRB1-SE gene variants collectively contributes to an increased risk of ACPA-positive RA. Additionally, among individuals with HLA-DRB1-SE gene variants, a notable interaction between non-drinking and smoking is associated with the risk of ACPA-positive RA. 5Considering these modifiable factors, including alcohol, is essential for comprehensively understanding and managing RA.