Yahoo News, Meditation Shown to Light Up Brains of Buddhists:
"Using new scanning techniques, neuroscientists have discovered that certain areas of the brain light up constantly in Buddhists, which indicates positive emotions and good mood. This happens at times even when they are not meditating."
Well duh, all those 10-day Vipassana courses I do aren't for nothing, y'know. ;)
[via MattB, who *needs* to start a blog so I can cite him appropriately!]
Update: Here's the BBC's article on the same subject, via Sieburg.