People who meditated 30 minutes a day for 8 weeks had changes in the parts of their brains associated with memory, sense of self, empathy and stress.
Read about it here in the NY Times: http://well.blogs.nytimes.com/2011/01/28/how-meditation-may-change-the-brain/?emc=eta1
It's Interesting 
I told u not to skip the ohm’s!!