06/07/2026
Alcohol does not just “loosen you up.”
It changes brain chemistry.
During drinking, alcohol can temporarily affect dopamine and serotonin, which helps explain why some people feel more relaxed, social, confident, or emotionally lifted at first.
But the bill comes later.
As alcohol wears off, your brain has to rebalance. That can leave you feeling flat, anxious, irritable, tired, depressed, or emotionally raw the next day.
That is not weakness.
That is biology.
This article breaks down how alcohol affects dopamine and serotonin during and after drinking, and why the emotional crash can feel so intense for some people.
Read the full article here:
How alcohol affects dopamine and serotonin, what that does to mood, craving, and recovery, and what you can do about it today.