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Science Place an Ad Travel Getaways Headlines by E-mail Genetics
and race: Researchers explore why rates of diseases vary from
one population to another  Tuesday, May 07, 2002  By Byron
Spice, Science Editor, Post-Gazette  Tobago is a small part of a
tiny nation, a tropical Caribbean isle with an area of just 116
square miles located northeast of its larger partner, Trinidad.
Robert Ferrell, professor of human genetics at the University of
Pittsburgh Graduate School of Public Health, examines a test
tube holding blood from a man from Tobago. Researchers hope to
unravel why men of African descent on the tiny Caribbean isle
have a much higher incidence of prostate cancer than white
Americans or African Americans. (John Beale, Post-Gazette)  But
when it comes to prostate cancer, Tobago looms big.  Men of
African descent on Tobago have a rate of prostate cancer that,
as best as can be es