This paragraph surprised me: "In this study, 70 musicians and non-musicians aged 59 to 80 were evaluated by neuropsychological tests and surveyed about general lifestyle activities. The musicians scored higher on tests of mental acuity, visual-spatial judgment, verbal memory and recall, and motor dexterity."
Not all or probably not even most but many adult musicians drink an enormous amount of adult beverages, or have had their fill and stopped drinking them altogether, and I would think that would have a negative effect on cognitive activities.
Granted B chord amnesty by King of the Mutants (Long live the king).
If it comes from the heart and you add a few beers... it'll be awesome! - Mekidsmom
When in doubt ... hats. - B.G. Dude