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.
Barn. A barn is an agricultural building primarily located on farms and used for many purposes, notably for the housing of livestock and storage of crops. In addition, barns may be used for equipment storage, as a covered workplace, such as threshing.The word barn is also used to describe buildings used for uses such as a tobacco barn or dairy barn. An archaic word for one type of barn meant for keeping cattle was byre.n addition, barns may be used for equipment storage, as a covered workplace, such as threshing. The word barn is also used to describe buildings used for uses such as a tobacco barn or dairy barn. An archaic word for one type of barn meant for keeping cattle was byre.