November 5, 2009 — LONDON (Reuters) - Scientists have managed to halt a rare and fatal brain disease with an experimental gene therapy technique using a deactivated version of the AIDS virus, a study published on Thursday showed.

November 3, 2009 — NEW YORK (Reuters Health) - Survivors of childhood brain tumors often suffer lasting problems with memory and other "cognitive" functions, results of a study indicate.

November 2, 2009 — NEW YORK (Reuters Health) - Poultry workers may be at particularly high risk of developing several forms of cancer, according to a new study that points to viruses carried by birds as a possible cause.