Movie star Angelina Jolie tested positive for a "faulty gene" at the center of a high-profile legal battle in the United States that challenges whether human genes can belong to a corporation. Experts say it is unlikely that Jolie's story of how she decided to have a preventive double mastectomy will sway the Supreme Court, which is expected to rule in June on whether Myriad Genetics can hold patents on the BRCA1 and BRCA2 genes. But lawyers for the plaintiffs applauded the 37-year-old actress for mentioning that the cost of the tests is out of reach to many women.

By Sharon Begley NEW YORK (Reuters) - Stepping into the debate over who should be screened for lung cancer, a leading medical specialty group issued new guidelines on Tuesday recommending that doctors offer annual low-dose CT (computed tomography) scanning to people whose age and smoking history puts them at significant risk of lung cancer.

Health activists, doctors and movie fans hailed glamorous Hollywood megastar Angelina Jolie on Tuesday for her decision to reveal that she had had her breasts removed to reduce her cancer risk. The 37-year-old actress underwent a double mastectomy to minimize the risk that she might develop breast cancer as a result of inheriting a "faulty gene," and chose to publicize her surgery as an example to other women and mothers.

TORONTO - A study looking at technology used for mammography has found that one type is less effective at detecting breast cancer than others. The Cancer Care Ontario study found digital direct radiography and screen film mammograms are better than digital computed radiography mammograms at uncovering breast tumours. The research concluded that computed radiography, or CR, is 21 per cent less effective at detecting breast cancer than digital radiography, or DR.