MedPage Today reported that long-term consumption of alcohol may impair vision in diabetics. Drinkers performed less well on vision chart tests than non-drinkers. This is not a diabetic retinopathy issue.
Beer and distilled spirits were riskier than wine.
The paleo community is divided on whether alcohol should be part of the program. Undoubtedly, we drink much more alcohol than did our prehistoric ancestors. Remember, however, that rotting fruits can provide alcohol. I remember a news report about an elk in northern Europe who got drunk on rotting (fermenting) fruit and stranded himself in a tree.
The MedPage Today article didn’t comment on the potential health benefits of alcohol consumption. You can bet I’ll keep an eye on this. (Did you get the pun?)
Paleo Diabetic 
Love the pun.