Guardian.UK: Chronic heavy drinking leads to serious risk of dementia, study warns.
Advice on alcohol and dementia has been confusing. Some studies have suggested that one or two units a day – perhaps a small glass of wine – could be protective. But Schwarzinger said they were small studies and he personally would question whether that can be so.
Of interest. Looking directly at The Lancet study: "Alcohol use disorders were the strongest modifiable risk factor for dementia onset ..."