A science based breakdown of the effects of alcohol consumption on the body Alcohol enhances GABA (the brain’s inhibitory chemical), creating relaxation, but it also suppresses glutamate, which normally stimulates brain activity. Over time, this can blunt cognitive sharpness. Read More Wellbeing, Staying Healthy, Self-CareDina KhalilAugust 17, 2025alcohol, beer, wine effects, alcohol effects, side effects of alcohol