For meditation there is lots of scientific research. Just some random research below, there is lots of more if you use google. http://www.davidwolfe.com/medit

For meditation there is lots of scientific research. Just some random research below, there is lots of more if you use google. http://www.davidwolfe.com/meditation-rebuilds-brains-gray-matter-in-8-weeks/ http://www.davidwolfe.com/meditation-rebuilds-brains-gray-ma... https://www.washingtonpost.com/news/inspired-life/wp/2015/05/26/harvard-neuroscientist-meditation-not-only-reduces-stress-it-literally-changes-your-brain/ https://www.washingtonpost.com/news/inspired-life/wp/2015/05... http://news.harvard.edu/gazette/story/2012/11/meditations-positive-residual-effects/ http://news.harvard.edu/gazette/story/2012/11/meditations-po... http://news.harvard.edu/gazette/story/2011/01/eight-weeks-to-a-better-brain/ http://news.harvard.edu/gazette/story/2011/01/eight-weeks-to... Also https://scholar.google.fi/scholar?q=meditation https://scholar.google.fi/scholar?q=meditation