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Policies that limit ultra-processed food intake are urgently needed, say researchers
Two large European studies published by
The BMJ today find positive associations between consumption of highly processed ("ultra-processed") foods and risk of cardiovascular disease and death.
The researchers say further work is needed to better understand these effects, and a direct (causal) link remains to be established, but they call for policies that promote consumption of fresh or minimally processed foods over highly processed foods.
Ultra-processed foods include packaged baked goods and snacks, fizzy drinks, sugary cereals, ready meals containing food additives, dehydrated vegetable soups, and reconstituted meat and fish products -- often containing high levels of added sugar, fat, and/or salt, but lacking in vitamins and fibre. They are thought to account for around 25-60% of daily energy intake in many countries.
Previous studies have linked ultra-processed foods to higher risks of obesity, high blood pressure, high cholesterol, and some cancers, but firm evidence is still scarce.
Comment: While the studies may be lacking for making a definitive recommendation, given the extent of anecdotal evidence, it would appear that low carbohydrate, high fat diets are extremely effective for mental and behavioural symptoms. One can wait for the studies to come in, or one can consider the weight of the evidence beyond studies. A little self-experimentation may be just what the doctor ordered.
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