USA Today (Aug.14,1995) reported on a study that suggests "frequently 'heading' the ball in soccer lowers players' IQs.

USA Today (Aug.14,1995) reported on a study that suggests "frequently 'heading' the ball in soccer lowers players' IQs." A psychologist tested 60 male soccer players ages 14-29, who played up to five times a week. Players who averaged 10 or more headers a game had an average IQ of 103, while players who headed one or fewer times per game had an average IQ of 112