What Alcohol Does to the Body

NY Times - Dry January has come and gone, but Americans’ relationship with drinking is undergoing a more lasting change. According to one recent poll, just 54 percent of U.S. adults said they consume alcohol, the smallest percentage in nearly 90 years of data collection. That may be because more people are taking alcohol’s negative health consequences seriously.

Drinking alcohol can have profound effects on the brain and body. In the moment, some of those effects can be pleasurable. But in the long term, especially when it’s consumed in large quantities, alcohol can cause serious health harms....

Over the long term, alcohol use is associated with changes in brain structure. Some studies have found that middle-aged and older adults who average even one drink a day tend to have slightly less brain volume than people who don’t drink. And the more alcohol someone consumes, the more the brain shrinks. Experts don’t know exactly why that is, but one theory is that alcohol alters the brain’s immune system, ramping up inflammation, which can damage neurons.  MORE