Eating dark chocolate daily results in a slight reduction in blood pressure, according to research from Cochrane Group. Chemicals in the cocoa relax blood vessels, making it easier for blood to pass through them, and therefore reducing blood pressure.
More studies will be needed to show the long-term benefits of eating chocolate, and the research only recommends you should eat it in moderation. Dark chocolate is better for you than milk chocolate, as it contains more 'flavanols' - the healthy part of the cocoa, and less fat and sugar.
Lead researcher Karin Ried, from the National Institute of Integrative Medicine in Melbourne, Australia, said: "Although we don't yet have evidence for any sustained decrease in blood pressure, the small reduction we saw over the short-term might complement other treatment options and might contribute to reducing the risk of cardiovascular disease."
Health professionals have warned people not to consume too much chocolate, otherwise the potential health benefits will be outweighed by the adverse effects it can have.
Victoria Taylor, of the British Heart Foundation, said: "Beans, apricots, blackberries and apples also contain flavanols and, while containing lower amounts than in cocoa, they won't come with the unhealthy extras found in chocolate."
Emily Bancroft