A meta-analysis including 30 clinical trials published between 1980 and 2022 concludes that vegetarian and vegan diets are associated with lower blood lipid concentrations, including cholesterol. The research is published in the European Heart Journal.
The WHO has issued a new guideline advising against the use of non-sweetened sweeteners for weight control or to reduce the risk of noncommunicable diseases. The recommendation is based on the findings of a systematic review published in 2022.
A new scientific statement from the American Heart Association published in the journal Circulation analyzes how several diets (including Mediterranean, Paleo, and ketogenic) fit into the guidelines for a heart-healthy diet. The ketogenic and 'paleo' diets were not classified as heart-healthy.
A study in mice has found that high doses of the sweetener sucralose can reduce the immune response and, under certain laboratory conditions, alter its action against infections or tumours. The results are published in the journal Nature.
A review of studies of more than 700,000 women has estimated that those who follow a Mediterranean diet faithfully have about a 25% lower risk of cardiovascular disease and death. This effect is greater than had been found in other studies, many of which included a majority of men and did not differentiate results by sex. According to the authors, the study underscores the need for this type of targeted analysis. The results are published in the journal Heart.
An analysis published in Nature Climate Change estimates that food consumption worldwide could add 1°C to global warming by 2100. The study also says that more than half of this warming could be avoided by adopting a healthy diet, improving food system practices, and reducing food waste.
A study has associated the consumption of the sweetener erythritol with an increased risk of cardiovascular disease, specifically myocardial infarction and stroke. The data are published in the journal Nature Medicine.
Available studies show no difference in the risk of different types of fracture between those who take calcium supplements and those who do not, according to a report by the Iberoamerican Cochrane Centre via Nutrimedia. According to the report, these supplements have side-effects and do not provide benefits in the general population and are therefore only recommended for people living in residential homes or other institutions.
Research involving 10,775 adults shows that a higher percentage of daily energy intake from ultra-processed foods was associated with cognitive impairment. The results are published in the journal JAMA Neurology.
A ketogenic diet, high in fat and low in carbohydrates, could increase platelet production and alleviate the low platelet counts caused by chemotherapy treatments. This is the finding of a small study published in the journal Science Translational Medicine.