Inspirational Heather Duff who has had brain surgery three times is starring in an urgent new TV appeal for donations to help Cancer Research UK continue its life-saving work.The 33 year old’s life in lockdown at home in Winchburgh is powerfully captured in the 30-second film which aired for the first time in Scotland on Wednesday (July 1) and will run across the UK.Heather can be seen in the advert counting out daily chemotherapy medication, chatting online to loved ones on Zoom as well as