Disease and ill health are caused largely by damage at the molecular and cellular level, yet today's surgical tools are too large to deal with that kind of problem. ↗
Sadism is not an infectious disease that strikes a person all of a sudden. It has a long prehistory in childhood and always originates in the desperate fantasies of a child who is searching for a way out of a hopeless situation. ↗
There are two kinds of cloning right now. One is therapeutic cloning which is for coming up with cures for life threatening, really, really awful diseases. Then there is reproductive cloning, which is to make a human being out of your DNA and a donor egg. ↗