Cancer, Brain Tumor | featured news

The most common and aggressive brain tumor grows by turning normal brain cells into stem cells, which can continuously replicate and regrow a tumor with only a handful of cells left behind, new research finds.

Experts who studied almost 13,000 cell phone users over 10 years, hoping to find out whether the mobile devices cause brain tumors, said on Sunday their research gave no clear answer.

Sen. Edward M. Kennedy, the liberal lion of the Senate and haunted bearer of the Camelot torch after two of his brothers fell to assassins' bullets, has died at his home in Hyannis Port after battling a brain tumor. He was 77.