Students at Maharishi International University in Fairfield, Iowa, who regularly practiced Transcendental Meditation, increased significantly in intelligence over a 2-year period, compared to control subjects from another Iowa university. This finding corroborates the results of two other studies showing increased IQ in Maharishi International University students.

Reference I: Transcendental Meditation and improved performance on intelligence-related measures: A longitudinal study, Personality and Individual Differences 12: 1105-1116, 1991. Reference II: Longitudinal effects of the Transcendental Meditation and TM-Sidhi program on cognitive ability and cognitive style, Perceptual and Motor Skills 62: 731-738, 1986.