Alcohol is widely consumed and often associated with relaxation, but its impact on brain function is complex and significant. Dr. Sahil Kohli, Additional Director of Neurology at Fortis Memorial Research Institute in Gurgaon, India, explains that alcohol affects brain communication almost immediately after consumption. It enhances GABA (gamma-aminobutyric acid), a neurotransmitter that slows brain activity, while suppressing glutamate, leading to slower thinking, impaired judgment, and reduced coordination. In the short term, these effects can result in risky behaviors and poor decision-making. Over time, repeated heavy drinking may shrink brain tissue and disrupt cognitive abilities, affecting attention span, learning, and memory retention. Additionally, alcohol dependence can develop, requiring more alcohol to achieve the same effects and causing withdrawal symptoms when not consumed. Beyond physical changes, alcohol also impacts emotional well-being, increasing risks of depression and anxiety. Experts recommend moderation, including limiting intake and avoiding binge drinking, to mitigate these risks. Understanding alcohol's effects is essential for making informed decisions about consumption to protect brain health.