Here are a couple of websites with some information that may be helpful for you.................:
1)
https://www.niaaa.nih.gov/alcohol-he...binge-drinking
2)
Do You Have a Drinking Problem? Recognizing the Signs of Alcoholism and Alcohol Abuse and How to Get Help
#1 is the National Institute of Health where they define low, moderate, heavy, and binge drinking.
#2 is just some more helpful (hopefully) information
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