Ethnic Differences
Different ethnic groups have different incidences of prostate cancer. Differences in sex hormones including testosterone have been suggested as an explanation for these differences. A 2009 study found ethnical differences between blacks and whites in the testosterone to sex hormone binding globulin ratio in blood from the umbilical cord in infants.
Read more about this topic: Testosterone
Famous quotes containing the words ethnic and/or differences:
“Motherhood is the second oldest profession in the world. It never questions age, height, religious preference, health, political affiliation, citizenship, morality, ethnic background, marital status, economic level, convenience, or previous experience.”
—Erma Bombeck (20th century)
“Generally there is no consistent evidence of significant differences in school achievement between children of working and nonworking mothers, but differences that do appear are often related to maternal satisfaction with her chosen role, and the quality of substitute care.”
—Ruth E. Zambrana, U.S. researcher, M. Hurst, and R.L. Hite. “The Working Mother in Contemporary Perspectives: A Review of Literature,” Pediatrics (December 1979)