Phys Ed: Your Brain on Exercise - Well Blog - NYTimes.com

Phys Ed: Your Brain on Exercise - Well Blog - NYTimes.com: "Whether exercise directly reduces BMP activity or increases production of Noggin isn’t yet known and may not matter. The results speak for themselves. “If ever exercise enthusiasts wanted a rationale for what they’re doing, this should be it,” Dr. Kessler says. Exercise, he says, through a complex interplay with Noggin and BMP, helps to ensure that neuronal stem cells stay lively and new brain cells are born."