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Vitamin D levels lower in African-Americans

African-American women had lower vitamin D levels than white women, and vitamin D deficiency was associated with a greater likelihood for aggressive breast cancer, according to data presented at the Third AACR Conference on the Science of Cancer Health Disparities.

New strategy could reduce twin rate after IVF

A strategy to encourage single embryo transfer after in vitro fertilisation (IVF) could be an important tool to prevent multiple pregnancies and their associated complications, finds a study published in the British Medical Journal today.

WikiLeaks chief lashes out at media during debate

(AP) -- WikiLeaks editor-in-chief Julian Assange lashed out at the mainstream media during a debate at a London university Thursday, fighting back at a string of unfavorable stories that have appeared since his organization's publication of a cache of U.S. intelligence documents.