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
Other articles related to "ethnic differences, ethnic difference, difference":
... Various theories have been put forward to explain the alleged ethnic difference between the two groups ... It has also been argued that the difference was one of class, not race, territory or culture ...
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