It appears that one reason that there was ever a controversy is that we often don’t know very much about how poisons cause deaths; once something is identified as poisonous, people just start avoiding it, so we don’t tend to accumulate many further cases of death by that cause to observe.
Except, presumably, in cases where people deliberately use those poisons as means of execution, murder or warfare?
Except, presumably, in cases where people deliberately use those poisons as means of execution, murder or warfare?