In a word, the answer is no.
While studies using a special form of resveratrol, a compound found in red grapes had some positive effects on the disease, one would need to drink 1,000 bottles of red wine per day to achieve these results.
Avoiding head trauma, exercising to keep our hearts healthy, avoiding obesity and eating healthy foods continue to be the starting point. Avoiding tobacco usage, exercising the mind, and maintaining strong social connections also provide benefits to the brain.
And…avoiding excess usage of alcohol.
While not nearly as appealing as consuming red wine, the above recommendations are the closest thing we have to preventative measures.
There is no silver bullet, no hidden relief that only the select few know about. When a cure is found, everyone will have access to that information. Until then we take it one day at a time.