How meditation may change the brain

How many of you have tried meditating, and find yourself trying to quiet your mind only to hear a little voice tell you that this is a waste of time?  A recent article in the NY Times suggests that meditation actually causes positive changes in the structure of the brain, increasing grey matter in the area of the brain related to learning and memory, and reducing grey matter in the area related to stress and anxiety.  Here is a link to that article:

http://well.blogs.nytimes.com/2011/01/28/how-meditation-may-change-the-brain/?src=me&ref=general