Vasectomy linked with aggressive prostate cancer risk Thursday 10 July 2014 - 3am PST Prostate / Prostate Cancer Men's Health Cancer / Oncology In the largest and most comprehensive study of its kind, researchers from Harvard School of Public Health in Boston, MA, find that vasectomy is associated with a small increased risk of prostate cancer, and a larger increased risk for advanced or lethal prostate cancer. Prostate cancer is a major cause of cancer-related deaths in men in the US, where vasectomy is a common form of contraception, with around 15% of American men having the minor procedure, which...