Excessive alcohol intake can lead to which of the following?

Excessive alcohol intake can indeed lead to fat accumulation in the liver, a condition known as alcoholic fatty liver disease. This occurs because high levels of alcohol consumption disrupt the liver's ability to metabolize fats. Instead of being processed and used as energy, fats are stored in liver cells, which can lead to inflammation, liver scarring, and eventually more serious liver diseases such as cirrhosis if the excessive intake continues.

In contrast, increased immunity, improved digestion, and enhanced brain function are not benefits associated with excessive alcohol consumption. While moderate alcohol consumption may have some effects on health, excessive intake generally has a detrimental impact on overall body functions, including the immune system and cognitive abilities, as well as digestive processes.