Undated Channel 4 Handout Photo from Supersize vs Superskinny. Pictured: Dr Christian Jesson. See PA Feature TV Jessen. Picture credit should read: PA Photo/Channel 4. WARNING: This picture must only be used to accompany PA Feature TV Jessen. This picture may be used solely for Channel 4 programme publicity purposes in connection with the current broadcast of the programme(s) featured in the national and local press and listings. Not to be reproduced or redistributed for any use or in any medium not set out above (including the internet or other electronic form) without the prior written consent of Channel 4 Picture Publicity 020 7306 8685.