The problem of educational differences among the various ethnic groups that make up the United States is the subject of long-term research. They believe that the main factor of these differences is the broad range of the theory. Biological and individualist views argue that inherent genetic disadvantages are the cause of these differences. Others considered social forces, arguing that there are inferior and poor cultures that do not allow social progress.
The achievement gap in the United States means the difference in the score of the standardized test between the minority students and the white students. This is one of the most worrisome problems related to education in China, unfortunately it has not shrunk much in recent years (Ladson-Billings, 1). There are many individuals and countless organizations working to narrow the achievement gap. Even if there are differences in the test scores, these organizations are still essential for planting confidence in young people, love for learning, and hope for the future. The existence of a achievement gap does not prove that these initiatives and organizations have no impact.
Social inequality in income, housing, education, and other factors has a major impact on the physical and mental health of children in the United States. However, there is still a gap in our understanding of the mechanisms that race, ethnicity, or both may affect the child's health outcome and differences. Although there is a relation between racial discrimination and poor physical condition in adults, few studies have investigated the influence of race discrimination on health outcomes of colored race children 4, 6, 16, 17 . Therefore, our understanding of the etiology of health differences and the ability to make prophylactic and intervention programs successful may be limited.
Social Inequality and Racial Discrimination: Risk Factors of Color Differences in Children's Health
In the United States, health disparities in obesity, diabetes, cancer, cardiovascular disease and other chronic diseases are expanding. The proportion of population and ethnic minorities such as African American, American Indian, Hispanic / Hispanic, Asian American, Alaska Native, Pacific Islands, etc are increasing. According to the Racial and Ethnic Community Health Approach (REACH) of the Centers for Disease Control and Prevention, non-Hispanic blacks currently have the highest obesity rate (48%), non-Hispanic blacks compared with non-Hispanic whites Have 77% higher risk. Hispanic / Hispanic population increased by 66% and Asian Americans increased by 18%. According to the current US population forecast, it is predicted that by the year 2044 more than half Americans will be a minority. Without targeted preventive intervention, unfair medical expenses for chronic illness will be unsustainable