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.
General Barn Terms. This collection of general barn terms is offered in an on-going effort to educate barn people in more precisely knowing the various construction elements of vernacular barns and the various structural components that builders incorporated into the buildings that they erected and some of the tools that builders used.