The finitude of human life is perceived as natural. But is death inherent in the internal biological nature of man? The proposed work proves that the belief of most people in the impossibility of physical immortality is nothing more than a historically established dogma, akin to the belief that “stones cannot fall from the sky, because they are not there.” The physical immortality of an individual is possible, the author of this book believes, and only the persistence of human ignorance prevents people from recognizing this truth.