many start off with a perfectly formed body and then proceed to destroy it with alcohol and other drugs - it's called "devil worship"
No need for a devil. Ultimately it boils down to chemistry, and social factors. Addiction hides in our genetics, our minds, and in social interactions and environments.
Let me give you an example. In the UK, going to a pub to do business was common. I'm talking lunch time meetings, and evenings sometimes too. I'm talking drinking a lot of alcohol as simply part of the normal business interaction. When I switched to the US, I was a little surprised that, in effect, it was the exact opposite. Going for a couple beers during lunch was frowned upon, if not thought a little mad. So, the societal norm was entirely different, with the UK norms vastly increasing alcohol intake.
I can remember sitting in a pub with a bank executive one lunch time. I asked him how things were going, and he replied, "Good, but my gout is really playing up." This guy was in his 40's, and we'd just ordered our first beers. Think about that.
I also don't want to ignore the vast marketing campaigns put together to sell alcohol either. When I was growing up, Joe the Camel was a commonly known character, and was a bit of fun. UIltimately though, he existed to sell more cancer sticks.
There are many ways to fall into alcoholism. Business dealings as explained, genetic propensity for addictive behavior, societal pressures, peer pressure, etc. At the end of the day, alcohol isn't something any of us need - but we like how it makes us feel.