A U.S. jury verdict linking regular use of Johnson & Johnson talcum powder to a woman's death from ovarian cancer has spurred new concern from consumers, but scientists say the evidence of real danger is inconclusive at best.

 Australian researchers have uncovered six new gene variations that increase a woman's risk of ovarian cancer and the finding will help doctors better diagnose its cause.

 Oscar-winning actress Angelina Jolie said she had been "moved" by public support after she revealed she had had a double mastectomy to reduce her high risk of breast cancer.

 U.S scientists have developed an experimental vaccine against advanced ovarian cancer that triggers anti-tumor immune responses using cells made from patients' own tumor.