Sep 18, 2025

The many effects of consuming alcohol on your brain

Aanya Mehta

Impaired Prefrontal Cortex

This part of the brain controls judgment, alcohol temporarily shuts it down, leading to riskier decisions.

Source: unsplash

Reduces Glutamate

Alcohol suppresses glutamate, leading to slower reflexes and delayed thinking.

Source: unsplash

Dopamine Release

Alcohol triggers dopamine in the brain’s reward system, making you feel happy and relaxed.

Source: unsplash

Endorphin Boost

Drinking can release endorphins, producing a short lived "buzz" or euphoric feeling.

Source: unsplash

GABA Activation

It enhances GABA, a neurotransmitter that slows brain activity, creating a sense of calm.

Source: unsplash

Impact on Memory Foundation

Hippocampus activity is disrupted, which is why blackouts or memory gaps can occur after heavy drinking.

Source: unsplash

Serotonin Spike

Small amounts can boost serotonin, improving mood, but overuse can deplete it, causing anxiety later.

Source: unsplash

Long Term Brain Changes

Frequent drinking can rewire the brain’s reward system, increasing the risk of dependence.

Source: unsplash

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