I thought this was very important because I've seen friends become isolated when they cannot hear the conversations going on around them.

A little thing to consider -- can you get good oils into him? Unheated EVOO, sesame oil, coconut oil, MCT oil, avocado, butter from grass fed cows? Grass fed beef?

You can't go nuts on these if you are still eating wheat, because you'll gain weight quickly. But substitute good fats for wheat, etc. and interesting things happen.

I mention it because I think dovetailing macrobiotics with the Bulletproof Exec diet is healing my Lyme brain damage. I do not know if anyone has tried using it to reverse age-related cognitive damage. But if it won't hurt and might help?...

http://www.bulletproofexec.com/the-complete-illustrated-one-page-bulletproof-diet/