Alcohol addiction, like any addiction, is a complex process that is influenced by a variety of factors. It is often caused by a combination of genetic, environmental, and behavioral factors. Some people may be more prone to developing an addiction due to their genetics, while others may be influenced by environmental factors such as peer pressure or stress. Regular and excessive alcohol consumption can also alter brain chemistry and create physical dependence on the substance, making it harder to quit. Ultimately, addiction is a chronic disease that requires ongoing management and treatment to overcome.