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132. Kark, JD., G Shemi, Y Friedlander, O Martin, O Manor and SH Blondheim. 1996. Does religious observance promote health? mortality in secular vs religious kibbutzim in Israel. American Journal of Public Health 86: 341–346.

133. H. G. Koenig, et al, «Attendance at religious services, interleukin-6, and other biological parameters of immune function in older adults», International Journal of Psychiatry in Medicine, 1997; 27: 233–50.

134. C. G. Brown, et al. Study of the Terapeutical Effects of Proximal Intercessoy Prayer (STEPP_ on Auditory and Vistual Impairements in Rural Mozambique, Southern Medical Journal, 2010, 103; 864–69.

135. B. Hubbard, The Untrue Story of You (London, UK: Hay House, 2014) and the act of altruism itself may have been healing and helped to increase a natural sense of joy.

136. «If you want to be happy, practice compassion. If you want others to be happy, practice compassion». The Dalai Lama Prayer studies of group prayer.

137. Group effect of the circles. The altruistic impllse comes when we step out of our own individuality and into a place of oneness.

«Life is holiness and everyday humdrum, sadness and laughter, the mind and the belly all mixed together. The Great Spirit doesn’t want us to sort them out neatly.» a. Oneworldinsight.com

138. U. Lindenberger, et al, «Brains swinging in concert: cortical phase synchronization while playing guitar», BMC Neuroscience, 2009; 10: 22.

139. V. Müller, et al. «Intra– and Inter-brain Synchronization during Musical Improvisation on the Guitar, PLoS One, 2013.

140. E. Filho, «The Juggling Paradigm: A Novel Social Neuroscience Approach To Identify Neuropsychophysiological Markers Of Team Mental Models», Frontiers n Psychology, 2015; 8: 799; http://dx.doi.org/10.3389/fpsyg.2015.00799

141. L. Denizeau, Soirées miracles et guérisons», Ethnologies, 2011, 33 (1): 75–93.