Science journalist and internationally bestselling author Dr Michael Mosley has a new book out, offering a tweak on his hugely successful 5:2 diet.

Dr Mosley joined Mornings with Gareth Parker to discuss the new approach, and take your calls.

BONUS OFFER: Dr Michael Mosley has kindly offered 6PR Mornings listeners a 20% discount for his new The Fast 800 online programme.

Use the code f8006pr20 to unlock your discount.

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