Science: Fun Heart Science Videos
Watch The Science of HeartMath video here:
http://www.heartmath.com/the-science-of-heartmath/
Related Links:
Scientific e-Books: http://www.heartmath.org/research/scientific-ebooks.html
For additional support, please see the HeartMath Knowledge Base at:
Support: http://support.heartmath.com
Or, send your question in email to Technical Support Send Mail