He added: ''In young people who had a stroke it’s a blood clot which is most common. In young people most common cause is a blood clot consign from a tear or blockage.
The vein can be damaged by posture, people who have been painting, just tipping their head back or one case just a person reversing down a lane and just turning the head can do this.
''Same as twisting may have caused the tear in the artery and there is no other reason unfortunately.
"It is quite common when we investigate strokes in one in five cases we don’t find a cause and its potentially impossible to know.''
Tests concluded Ben died of a vertebral artery thrombosis or Ischaemic stroke.
''This is very rare in the population let alone in someone of Ben's youth. I accept Doctor Douglass’s evidence that cannot be really totally sure of the likely cause in Ben's case.
"It's likely to be associated with sudden or extreme movement of the neck causing dissection of the relevant artery.
''By the time this Ischaemic stroke was finally diagnosed there was no realistic treatment options and he tragically passed away.