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Fig. 5.
Effects of ginger pretreatment on plasma vasopressin
release induced by circular vection in subjects susceptible to motion
sickness. Circular vection induced a significant increase in plasma
vasopressin level (*P < 0.05, compared with basal).
Elevation of plasma vasopressin was reduced by pretreatment with ginger
[1,000 mg (hatched bars), 2,000 mg (filled bars); *P < 0.05, compared with control (open bars)]. No significant difference
was observed between the 2 doses of ginger. All results are means ± SE (n = 13).