Shao L, Zhang J, Chen L, Zhang X, Chen KW.
Effects of external qi of qigong with opposing intentions on
proliferation of Escherichia coli.
J Altern Complement Med. 2009 May;15(5):567-71.
BACKGROUND: The existence and characteristics of external qi (EQ) in
qigong therapy has long been subject to scientific debate and rigorous
examination. The therapist's intent has played an important role in many
studies. This study investigates the effect of EQ with opposing
intentions on the proliferation of Escherichia coli. METHODS: We
performed two studies with the same design. In study 1, 75 5-mL tubes
containing test samples (3 mL each) were randomly divided into three
groups: control, promoted, and inhibited group (25 each). In study 2,
three 96-well plates with test samples (200 microL each) were randomly
designated as control, promoted, or inhibited. Test samples were placed
60 cm apart on a bench with control in the middle. A qigong therapist
performed EQ with either promoting or killing intent for 15 minutes each
on the treatment groups. After incubation for 24 hours, optical density
of the E. coli samples was measured at 600 nm (OD(600)). RESULTS: In the
initial experiment of both studies, the OD(600) value of the promoted
group was significantly higher than that of control (p < 0.05), while
the OD(600) value of the inhibited group was significantly lower than
that of the control group (p < 0.01), suggesting that the healer's
intent played a critical role in the effects of EQ on E.coli
proliferation. However, subsequent experiments did not replicate the
initial finding in either study and showed a pattern of declining effect.
CONCLUSION: A healer's intent may affect the proliferation of microbes
with specificity and directivity, so future studies of bioenergy healing
should take the role of intention into consideration. The circumstances
surrounding replication of the results in such biofield studies need
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