Prostate-specific antigen (PSA) is a protein produced by both normal and cancerous cells in the prostate gland. It is primarily measured through a blood test, where normal levels are typically found ...

PSA stands for prostate-specific antigen, a substance naturally produced in prostate tissue. A small amount of PSA regularly sneaks into the bloodstream, and low blood concentration is considered ...

The NHS will not be automatically inviting all men above a certain age to check for prostate cancer, unlike the approach for some other cancers. The UK National Screening Committee has suggested that ...