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# Dark Chocolate May Protect the Heart and Liver: New Study by Brazilian Scientists **Brazilian researchers have discovered a link between moderate consumption of dark chocolate and improved cardiovascular indicators. Additionally, the product may have a positive effect on liver health.** As reported by **TUT.AZ** citing the journal Nutrients, scientists from the University of Marilia reached these conclusions after analyzing data from a number of scientific studies. The specialists identified a curious pattern: heart diseases and metabolic liver disorders develop through similar mechanisms. Key factors include chronic inflammation, oxidative stress, as well as disruptions in fat and carbohydrate metabolism. According to the review's findings, plant compounds in cocoa, including epicatechin and catechins, are capable of affecting these processes. They increase the availability of nitric oxide, improve endothelial function—the inner lining of blood vessels—and reduce the activity of pro-inflammatory signals. In a number of clinical studies, moderate consumption of dark chocolate was associated with increased levels of high-density lipoproteins ("good" cholesterol) and decreased total cholesterol. Stabilization of blood pressure, improved vascular health, and reduction in markers of inflammation and liver cell damage were also recorded. However, the authors emphasize an important nuance: most studies were short-term in nature. The research used dark chocolate with high cocoa and flavanol content, rather than ordinary sweets. Scientists note that at present there is insufficient evidence to claim that dark chocolate directly prevents heart attacks or halts the progression of liver diseases. Nevertheless, it can be considered as an element of a balanced diet when consumed in moderation.