brilliant, we needed that. - has revealed that he has alzheimer's and vascular dementia. the 81—year—old says he's "trying to be positive" but admitted he would no longer be able to sign autographs forfans, and the days ahead would be "hard, demanding and painful". we're joined now by kate lee, chief executive of the alzheimer's society. good morning to you. very distressing news for denis law and his family of course. but i would imagine also, a positive thing that someone with the profile of denis law is talking about this. absolutely. we know that dementia remains absolutely shrouded in stigma, people find it very hard to admit that they have got the condition, that they have had that difficult diagnosis. when people shy away of talking about it, it means