Researchers do not know exactly what causes prostate cancer. But they have found some risk factors and are trying to learn just how these factors cause prostate cells to become cancer. On a basic level, prostate cancer is caused by changes in the DNA of a normal prostate cell. DNA is the chemical in our cells that makes up our genes. Our genes control how our cells function.
Barn definition, a building for storing hay, grain, etc., and often for housing livestock. See more.
Agriculturea compartment in a stable or shed for the accommodation of one animal. Agriculturea stable or shed for horses or cattle. a booth or stand in which merchandise is displayed for sale, or in which some business is carried on (sometimes used in combination):a butcher's stall; a bookstall.