He was forty years old. Over the years,historians and medical experts have tried to explain the cause of Poe's death.

VOA: special.2009.02.02

But late blight was also the cause of the potato famine in Ireland in the middle of the eighteen hundreds.

VOA: special.2009.10.20

Jeff said it was a sad thing to think that they were the cause of the breaking of a woman's heart.

VOA: special.2010.04.24

Late blight was also the cause of the potato famine in Ireland in the middle of the eighteen hundreds.

VOA: special.2009.11.03

The Cleveland Clinic says the cause of cluster headaches is in a brain area known as a trigeminal-autonomic reflex pathway.

VOA: special.2010.03.30

At the time that Miss Jordan left Congress, there were widespread reports that failing health was the cause for her decision.

VOA: special.2010.05.09

And the crisis had to be solved. "If we fail," Roosevelt said, "the cause of self-government throughout the world will suffer greatly."

VOA: special.2010.08.26

A recent report in the journal Retrovirology found that xenotropic murine leukemia virus-related virus is not the cause of chronic fatigue syndrome.

VOA: special.2011.01.18

If hoarseness continues or the cause is unknown, doctors should perform an examination called a laryngoscopy.

VOA: special.2009.09.02

Senator Kennedy also asked for support for the cause of his life, "that we will break the old gridlock and guarantee that every American.

VOA: special.2009.09.13

Still,a theory exists that amyloid plaques are an effect of the disease, not the cause.

VOA: special.2009.09.15

The cause is a genetic difference that they are born with called an ALDH2 deficiency.

VOA: special.2009.05.13

They did not give the cause of death. Sergei Tretyakov was fifty-three years old.

VOA: special.2010.07.10

"For all those whose cares have been our concern, the work goes on, the cause endures, the hope still lives and the dream shall never die."

VOA: special.2009.09.13