1.   Another researcher has suggested a similar explanation based on natural causes.

2.   He died from natural causes, believed to be a heart attack.

3.   He then went to live with his paternal grandparents, who died of natural causes soon after his placement with them.

4.   If only the old man had snuffed it of natural causes, as he had seemed on the point of doing!

5.   In my view death resulting from it is a death by natural causes.

6.   Park officials defended their care of Yaka, insisting she died of natural causes after a lengthy illness.

7.   She died of natural causes after a lengthy illness.

8.   The autopsy said he had died of natural causes, but his family is not convinced.