I know lots of people he want to show support to Ad with his recent diagnosis. Positive thoughts and messages are a good start point, but if you want to offer more practical support...
Think about becoming a blood donor. You can find out more information at this web site. Not for everyone I know, but it's something you can justifiably feel pretty smug about!
When you have a clear out, take the good stuff to a local cancer research charity shop (find your local shop here. Not the tat, the good stuff!.
Or just give cancer research money...here.
Or Macmillan...here.
Don't forget to do the gift aid if you are a uk tax payer.
Sorry for sounding preachy, but this affects a lot of people that we love.
Mike