Faye Barker is joined in the studio by Caroline Berger, who is looking for a blood donor to help her mother and Ann O'Leary, from the blood cancer charity Anthony Nolan.
More top news
A man who fired at officers from the National Crime Agency has been convicted at the Old Bailey.
Want to know its posh name? It's a 'Track Retrieval Device'.
Unite said its members in the capital's 18 bus operators had supported walkouts by 85%, and action short of a strike by 9-1.