Heavy Drinking ‘Strongest’ Modifiable Risk Factor for Dementia

The retrospective analysis involving 30 million people in France shows that those with a history of alcohol use disorders had a threefold increased risk for dementia and that over half those with early-onset dementia had a history of alcohol problems. “This study used a phenomenally large database, and the result showing that half the cases of early-onset dementia were associated with alcohol use disorders is truly staggering,” Ballard told Medscape Medical News.

The researchers used diagnostic codes on hospital records to identify patients with dementia and those who had a history of alcohol use disorders. They found over a million cases of dementia, after excluding people with diseases that can lead to rare types of dementia and those with early-life mental disorders that can increase or confound dementia diagnosis. There were also 945,000 people with alcohol use disorders.

Results showed a strong association between a history of alcohol problems and dementia. This was especially noticeable in early-onset dementia, with 57% of the 57,000 patients who had developed dementia under the age of 65 years having a history of alcohol use disorders (66% of men and 37% of women).

In an analysis of just those patients in whom the first record of dementia occurred in 2011-2013 and adjusted for other risk factors found in the medical records, the risk for dementia was three times greater if the patient had a history of alcohol use disorders. The hazard ratio was 3.36 for men and 3.34 for women.

Read the Medscape article here.  Or get down and dirty with the full study here.

Be careful with interpreting these results.

France.  I’m not joking.  Here’s  a Global Consumption Map.

 

 

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