A health expert says a common fruit can help to reduce the risk of diabetes and has a number of other benefits - and so it should be eaten as often as possible.

Dr Michael Mosley, founder of the Fast 800 diet, says the humble apple is one of the best fruits you can eat and the old saying 'an apple a day keeps the doctor away' really is true after all. Apples can help with everything from diabetes to cholesterol and gut health.

"Eating apples helps produce nitric oxide in the body which can reduce inflammation, improve blood pressure and increase the quantity of healthy bacteria while killing harmful bacteria in the gut," he wrote on his Facebook page. "Apples have been proven to lower cholesterol, boost a number of vitamins and minerals AND reduce the risk of diabetes."

The medical expert, who is touring with his wife Dr Claire Bailey early next year with Eat (well) Sleep (better) Live (longer!) goes on to encourage people to "munch and crunch on an apple as often as you can" and says he likes to finish his meals with one. His fans were quick to agree with his advice, reports The Mirror.

One said: "Royal Gala fixes stomach acid for me, beats Rennie hands down." Another said: "An apple a day keeps a doctor away - this is what we were taught at school in Finland. But which apple is the healthiest - a green apple or a red one?"

Another was already onto the benefits of the fruit: "Yes apple for me at least 5 days a week," they shared. While another fan raved about the advice in his highly successful books on diet: "Thank you for helping me with your amazing insights in the two books The Fast Diet and The Blood Sugar Diet," they wrote.

"My lifestyle was fast and unhealthy and by gaining an understanding of how my body works I was able to make healthier choices not only for being more healthy but also by being fitter and having more energy."

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