What
Why
Here is an EXCELLENT summary on many benefits of Mindfulness
Did you know… mindfulness meditation actually makes positive structural changes in your brains neurocircuitry? This physical “re-wiring” of your brain increases attention, focus, and concentration, as well as reduces stress and cortisol levels, improves sexuality and mood states, slows aging, enhances empathy, improves emotional intelligence, as well as treats addiction, anxiety, and depression.
and a wonderful video summary
Getting started on your own meditation
UCLA offers up some great free guided meditations: