Your embryo has completed the most critical portion of development. (babycenter.com)
because the stress hormones that are released from distressed crying, destroy nerve connections in critical portions of an infant's developing brain and if repeated, can alter their brain structure and responses to stress into adulthood. (familycontinuum.com)
Civil Rights, School Groups Rally to Protect Spanish - Language Testing A critical portion of California's 1.4 million English learners face academic setback under a plan to suspend most of the state's student assessments next year, civil rights activists and school advocacy groups say. (laschoolreport.com)