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Is there any science behind the Sirtfood Diet fad?

Following recent photos of the dramatic weight-loss transformation by British pop star Adele the Sirtfood Diet has become a hot topic. The diet is based on eating foods that are high in sirtuin proteins which are said to 'activate' the body's skinny genes and boost weight loss, foods such as strawberries, kale, onions and even red wine. But what's the catch?

Listen to our CEO, Sarah Hanrahan discuss the diet's pros and cons with Jim Mora during his Sunday Morning Programme on Radio New Zealand.

You can learn more about other diets by clicking the following links: