All &quot;natural&quot; means in this context is that the person died independent of the actions of self or others, its the &quot;not manmade&quot; definition.  Had a friend go with an aneurysm at a little younger age.  Its horrifying to have those nothing you could do scenarios.  Hit me much worse than the overdoses, suicides, or car accidents, and I&#x27;m not really sure why.