Everybody has the genes to metabolize alcohol except some people don’t. There’s your answer. The metabolic pathways have been long known.
>>Everybody has the genes to metabolize alcohol except some people don’t.
Not sure I see what you’re getting at. To metabolize is to process through the body. To extract energy and new materials, and to remove undesired materials. Everyone’s body metabolizes alcohol. I’m an alcoholic, and I make a conscious choice every day to be sober, because it’s the right thing to do.