The idea of superiority and inferiority when discussing ethnicity is quite unnecessary and can actually be harmful.
Kelly, Yvonne; Sacker, Amanda; Schoon, Ingrid; Nazroo, James (2006) Ethnic differences in achievement of developmental milestones by 9 months of age: the Millennium Cohort Study, Developmental Medicine & Child Neurology 2006, 48: 825–830.
McIntosh, Hugh (1997) Why Do African- American Men Suffer More Prostate Cancer?, Journal of the National Cancer Institute, Volume 89, Issue 3, 5 February 1997, Pages 188–189
Richard, A.; Rohrmann, S; Zhang, L.; Eichholzer, M.; Basaria, S.; Selvin, E.; Dobs, A.S.; Kanarek, N.; Menke, A.; Nelson, W.G.; Platz, E.A. (2014) Racial variation in sex steroid hormone concentration in black and white men: a meta-analysis, Andrology May 2014 2 (3): 428-435.
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