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.
Barne was also occasionally used as a personal name (from an Old English, Old Norse byname), and some examples of the surname may derive from this use.Irish: possibly an Anglicized form of Gaelic O Ã³ âbearain bearÃ¡in Descendantâ, of bearan bearÃ¡n âaâ.Byname: meaning spear French.Variant: of bern Jewish. variant of parnesnglish: topographic name or metonymic occupational name for someone who lived by or worked at a barn or barns, from Middle English barn âbarnâ, âgranaryâ.