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.
Shelter may refer to: Shelter, a basic architectural structure or building that provides cover. Homeless shelter, a temporary residence for homeless people, sometimes simply referred to as a 'shelter'. Animal shelter, a facility that houses homeless, lost, or abandoned animals; mostly dogs and cats.