Part three of a series on healthcare disparities among the races.

In the search for what causes racial health disparities, some experts point to the affects of racism, others point to biology, and still others say the answer combines elements of both.

Recent breakthroughs in our understanding of genetics have given scientists more clues about what causes disease, but researchers and doctors face pitfalls as they try to use the findings to reduce inequalities in care.

In the third and final segment of our series on racial disparities in healthcare, WBUR's Martha Bebinger looks at the current debate on the relationship of biology, race, and disease.

		RELATED LINKS Official Site for Sarah Jones Part One: Bitter Pill Part Two: Fostering Patient-Provider Relationships Part Three: Race and Disease Quality Interactions News in Photos A visual round-up of today's top news stories.

	From The WBUR Newsroom

Obama's Acceptance Speech DENVER, CO (August 29, 2008) Barack Obama has formally accepted the Democratic Party's nomination to run in the presidential race.

Convention Notebook Day 5 DENVER, CO (August 29, 2008) "Snapshots, moments burned in:" That's how WBUR's Bob Oakes remembers conventions and campaigns. In his Convention Notebook today, Bob reflects on his outstanding memories of the 2008 DNC.

The Dukakis Perspective DENVER, CO (August 29, 2008) 20 years ago, Michael Dukakis was the Democratic candidate for president. Now this year's convention is over, we talk with him about what Barack Obama and Joe Biden need to do to win the general election.

Previewing the DNC Finale DENVER, CO (August 28, 2008) WBUR's Bob Oakes joins us live from Mile High stadium, where, tonight, Democrats will cap off their 2008 convention with a speech by the Party's nominee, Barack Obama.