Professor Tom Solomon looks at the investigation into how hygienic the ice is in the three biggest fast food chains in the country. Tune into Watchdog on BBC One at 8pm on Wednesday 19th July to see the results.
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Look out for Professor Tom Solomon’s new book, Roald Dahl and the Running Mad Professor. As Roald Dahl’s doctor during his final illness, Tom has written the book about Roald's marvellous medical encounters.