A 2012 Harvard University study found that participating in an eight-week meditation training program can have measurable effects on how the brain functions even when someone is not actively meditating, and led to differences in the response of the amygdala — a part of the brain known to be important for how we deal with emotion.
Brewer et al.,(2011), Meditators have decreased activity in areas of the brain called the default mode network, which has been implicated in lapses of attention and disorders such as anxiety, attention deficiency and hyper-activityhttp://medicalxpress.com/news/2011-11-tuning-brains-benefit-meditation.html
Davis & Hayes,(2011) The Benefits of Mindfulness: http://www.traumacenter.org/products/pdf_files/Benefits_of_Mindfulness.pdf A 2010 Stanford University study found that an 8-week mindfulness course changed the way the brain normally engaged in negative or critical self-judgment and helped regulate emotions in people who suffered from social anxiety.
Yi-Yuan Tang et al., (2010) Meditating may improve the integrity and efficiency of certain connections in the brain where ADD and addictions arise : http://www.pnas.org/content/107/35/15649
A 2010 study by Corcoran,Farb, Anderson, & Segal found that mindfulness helps develop effective emotion regulation in the brain, helping people deal better with difficult emotions.
A meta-analysis of 39 different studies by Hofmann et.al., – involving 1,140 people – found that the benefits of mindfulness might be felt across a wide range of conditions from cancer sufferers to anxiety issues and eating issues, as mindfulness teaches the skills needed to deal with stress in general:http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2848393/
Research done at the University of Massachusetts Medical School found that teaching mindfulness to people with clinical levels of anxiety led to 90% experiencing significant reductions in anxiety and depression.