See, for ex's, NIH's Adolescent Brain Cognitive Development or (fired) Prof Bryan J. Pesta's recent study

FOX IS SO LAME, AND AFRAID TO JUST SAY IT; LAURA AND CO. SAY "SYSTEMIC RACISM" IS THE EXCUSE FOR "FAILED DEM POLICIES". NO, IT'S THE EXCUSE FOR PEOPLE WHO CAN'T ADMIT THE *FACT* THAT STUDY AFTER STUDY SHOWS WHITE AVG IQ IS ONE STANDARD DEVIATION ABOVE BLACK.