This is a great article to explain a study of why meditation has so many positive results beyond feeling relaxed for the day. Check out this article read a glimpse into this wonderful study.
http://www.mindbodygreen.com/0-12793/how-meditation-changes-your-brain-a-neuroscientist-explains.html
http://www.mindbodygreen.com/0-12793/how-meditation-changes-your-brain-a-neuroscientist-explains.html