How taking alcohol affects and reshape the brain

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To better understand how some people become addicted to alcohol, the research team used animal models to study how alcohol consumption transforms the brain.

They found that alcohol consumption transforms the anatomy and physiology of a brain region known as the dorsomedial striatum in that it makes neurons involved in cravings more excitable.

As these neurons become more sensitive, they require less stimulation to be activated. What this means is that just one sip of wine can trigger cravings for an entire bottle.

?This creates a cycle where drinking causes easier activation, and activation causes more drinking,? the scientists explain. In time, these changes in brain function are bound to lead to alcoholism.

The same experiments revealed that alcohol not only makes these neurons involved in cravings more excitable but it also alters their anatomy in that it makes protrusions coming off of them longer.