Endurance factors improve hippocampal neurogenesis and spatial memory in mice - Exercise

The abstract here: I'd read this one. Someone needs to create a research program for stroke on this.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3032576/
The NYTimes blogger explaining it here:
http://well.blogs.nytimes.com/2012/05/09/how-working-the-muscles-may-boost-brainpower/