Science says you should give up dieting this January📆 Here's what to do instead to be healthier and why we need to rethink what we’ve been told about food
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In the UK, around one in three adults is obese and many more are overweight. In the US, around two in five adults and nearly one in five children are obese.“Data shows that probably less than one in 20 people have reduced weight a year after starting a calorie controlled diet, and many are at a higher weight.”
“Diets which tell us to choose one type of food over another mean that not only do we eat an unbalanced diet with no real nutrition,” says Spector, “but it is much lower in fibre now than it was 30 or 40 years ago,” says Prof Spector. “Lots of bread gives me a huge sugar spike, so I have dark rye bread which is high in fibre,” says Spector. “Labels on bread can be confusing, so granary doesn’t mean much, and malted loaf probably means more sugar.”
“Depending on how you respond to fats or sugars, you’re going to get a very different response in your body,” says Prof Spector. “We also digest food very differently depending on how it is processed and cooked.” One of the main reasons we’ve got diets so wrong, according to Prof Spector, is that we’ve underestimated the importance of microbes. We are only now beginning to understand the importance of the gut microbiome, but studies suggest having a diverse population of gut microbes is associated with better health. Many aspects of human health, including appetite and how our bodies break down food, are modified by gut microbes.
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