"Then a man who needs an artificial heart to survive is a new species of man . That is the analogy I gave , and you ignored . In both cases ; human and bacteria , before the advent of a human product , a particular group of individuals from each larger group would die off ."
"I 'm not trying to participate in gang debate , but well .. The population of `` people with heart trouble `` would only be in jeopardy if the heart trouble made it more difficult to reproduce . If reproduction is not hindered then there is much less chance of dying off ."
"a man who needs an artificial heart to survive is a new species of man"
"people with heart trouble `` would only be in jeopardy if the heart trouble made it more difficult to reproduce"