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.
a compartment in a stable or shed for confining or feeding a single animal. 1  another name for stable1. 2  a small often temporary stand or booth for the display and sale of goods. ( 3 in a church) one of a row of seats, usually divided from the others by armrests or a small screen, for the use of the choir or clergy. 4  a pen.