HeartMath products, tools and techniques are based on over 25 years of scientific research conducted at the HeartMath Institute on the psychophysiology of stress, emotions, and the interactions between the heart and brain. There are over 300 peer-reviewed or independent studies utilizing HeartMath techniques or technologies to achieve beneficial outcomes that have been published.HeartMath products, tools and techniques are based on over 25 years of scientific research conducted at the HeartMath Institute on the psychophysiology of stress, emotions, and the interactions between the heart and brain. There are over 300 peer-reviewed or independent studies utilizing HeartMath techniques or technologies to achieve beneficial outcomes that have been published.
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The above is a direct link to some HeartMath®. As a 
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