This is a Dutch article. You can translate it easily online. The thing is that NF-kb in the hypothalamus has been show to control aging in mice. Mice with reduced NF-kb also were stronger, had better bones and memory. NF-kb also reduces the amount of GnRh hormone. When scientists added GnRh to the mice they also lived longer BUT they also generated NEW NEURONS.

At the bottom of the article they claim these results could have an impact on Alzheimer treatment.
I also found out that the MJ Fox Foundation is working on this: