After reading some of the messages about younger people with dementia i am left feeling a little confused. My sister was diagnosed around four years ago at the age of 53. Most of the people that have posted seem to be aware that they have a memory problem but my sister has never appeared to realise this. I have even seen a program with a dementia sufferer saying that without the aricept drug he could not tie his shoelaces, drive or hold a conversation but without it he cannot. I cannot imagine how someone with dementia could ever be able to drive. my sister cannot even write her surname and has forgotten how to use the bathroom without someone leading her all the way and even then it is difficult for her. Just recently she has had a few urinary accidents day and night but doesn't seem to realise what has happened. It is difficult to know how to deal with this especially in public. when i have to go into a toilet cubicle in public with my sister i find it embarrasing for me and for her but she just does not know what to do on her own. Any tips on dealing with this. my sister looks perfectly ok and i wonder what people must be thinking. It makes me feel a bad person to even be worried on how to deal with this and that i should just take it in my stride but it is difficult.