From the May 2019 magazine.

Alcoholism At Large

Alcohol cravings
A new study finds that alcohol activates a memory formation pathway and changes the proteins expressed in the neurons, forming cravings. Just a few drinks in an evening changes how memories are formed at the fundamental molecular level.

Karla Kaun and her team affiliated with Brown University’s Carney Institute for Brain Science studied neurons in fruit flies. They used genetic tools to turn off key genes while training the flies where to find alcohol. This enabled the researchers to see what proteins were required for this reward behavior. They found that a “receptor” plays a key role in craving. 

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