And unless it was clear let me add that these effects are found on the 
practitioners who are patients or sufferers.
'Prayer' is also a loose term, and can be anything repetitive and 
soothing, like 'om', or reciting a favorite poem, or contemplating a 
scenic landscape.
This is Herbert Benson's 'relaxation response' and he is the leading 
clinical experimenter in these areas.
******************************************************
    Wade T. Smith         |    'If it ain't broke,
wade_smith@harvard.edu    |    no-one's used it yet.'
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