GABA

First, alcohol increases the action of a chemical messenger in the brain called GABA.

They discovered that two types of neurons in the claustrum, which send output signals to different parts of the brain, respond in opposing ways to acetylcholine and GABA.

High doses altered the shape of neuronal support cells called astrocytes and caused changes in gene expression that suggest disruptions to signaling by the inhibitory neurotransmitter GABA.

In Japan, you can already buy tomatoes rich in a chemical called GABA, which has a calming effect, and modified sea bream where more of the flesh is suitable for sushi.

Others generate a chemical called GABA, deficits of which are linked to depression.