There is a very useful article from www.YogaWorkoutHQ.com entitled Simple Yet Highly Refreshing Restorative Yoga that talks about the benefits of restorative yoga, and recommends restorative yoga, easy asanas which anyone can do, for stress relief.
Green For Life, by Victoria Boutenko is a good read in which Victoria talks about her research and decisions to begin eating green smoothies, which are food made from mainly green, leafy vegetables, that are blended up and drank.