only marginally significantp = 0.073
In humans In humans, the overall combined effect size for the total set of 11 studies (406 participants) was only marginally significant, g = 0.25, 95% CI [−0.02, 0.53], p = 0.073 ( Fig. 7 ) in a heterogeneous set of studies, Q (9) = 39.57, p < 0.0001; I 2 = 74.73.