Your link wants a dollar to read it. No thanx.
I was never more than a weekend partier but I did stop even that drinking in my 30s and didn't have a drink again until near 50, while dealing with mom's Alzheimer's. Now I have some drink maybe one or two weekends a month if that. Not a big deal.
But I've a friend from childhood who has given himself wet brain (Wernicke-Korsakoff Syndrome) from so much drink and it's so bad that he was let go from his rather responsible position in an electrical company. Understandably they couldn't risk it once they realized what had happened to him. They treated him quite well on the way out and he's financially set for life, but the damage by now is pretty severe.
My friends and I discuss it every so often but there's not a lot we can do. He's aware of his condition. I've studied the syndrome enough to discuss it and I explained to him that if he stopped, he could possibly reverse some damage but definitely he could prevent further damage.
He understood my explanation. Though this affects his memory--essentially it is dementia--he seems to recall what I told him, but refuses to change his life.
Oddly complicating it, he's quite athletic, a runner still and in his past he was a trained fighter, so he body remains healthy while his brain deteriorates.
That was sort of what happened to my mom who kept a good bod throughout life, she was on health shakes since the 70s, but that might have prolonged suffering through Alzheimer's because she was otherwise so healthy.
So as soon as I notice myself forgetting too much, I'm gonna start drinking heavily and chain-smoking. Who knew staying healthy could work against ya? Life, fuck it!