well actually you came out with an outright statement of 'which don't exist btw' - rather than saying in your opinion they don't exist. There is a difference see.[ evidence/quote]

Not much of one.  Everything that anyone posts is their opinion, unless they can show concrete evidence from another source - it should have been obvious that a small aside such as (btw zombies don't exist) was oinion, since it is impossible to disprove their existence, though not impossible to show that there is no good evidence to believe in their existence! 

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The article actually gives an account of a case of where chemicals/poisons affected the body which meant the vital signs/lifesigns  could not be detected. One might go as far to  describe this state as being soul less.

Colloquially you might use that phrase, but its use would not imply the existence of a soul.   Quite the opposite in fact.