Nowadays, the opportunities for human brain may be at their peak. Because of this, they let to make new technologies. One of them is about medicine and these offers can give people more years of life. It may be a hundred or more years, and many people see in this huge benefits and positive ones. However, someone think that it can lead to more issues. This essay will discuss both points of view, although I think it is not something special and humanity doesn't need it.