As a sufferer himself, he is also a driver with a blue badge but that does not entitle him to free parking in his local area, Caerphilly.

BBC: Blue badge

"No matter what obstacles people faced, they rated themselves high, like an 8 out of 10, " Dr Walsh said, citing an example of a cancer sufferer - who had also lost a child to cancer - but who rated himself as a 9.

BBC: Tony Gallagher