The secular practice of mindfulness training or meditation, and mindfulness based cognitive therapy has been gaining momentum in the mainstream for a while now... This google-tech-talk describing mindfulness training is old, but pretty useful, and it presents the (then preliminary) neuroscience supporting the practice nicely.
http://www.youtube.com/watch?v=peA6vy0D5Bg (an hour long google tech-talk by Matthieu Ricard)
Ricard is a buddhist monk who earned his PhD in molecular genetics at the Pasteur Institute before turning his attention to the practice and study of Tibetan Buddhism -- and worth suffering those opening jokes for.
(I've posted on him and this subject before - http://jaysenn.blogspot.com/2007/06/mindtraining.html)