There is much research on Mindfulness and it’s health and mental health benefits. To check out the current research and well regarded international journals, access the American Mindfulness Research Association database here www.goamra.org and the freely accessible articles from the journal of Mindfulness here
The Mindful magazine often translates research into plain language and has tips on mindful living.
http://www.mindful.org/the-science-of-mindfulness/