UK Study Shatters Diet Soda Myth: Low-Calorie Drinks Linked to Liver Disease Risk

Even "Diet" Soda May Be Quietly Damaging Your Liver, Scientists Warn LONDON - A massive UK study has revealed that both sugary and diet soft drinks significantly increase the risk of liver disease, contradicting long-held assumptions about the health effects of low-calorie beverages. The research, published in a leading scientific journal on October 19, 2025, found that consuming more than one can a day of either sugar-sweetened or low/no-sugar beverages sharply raises the likelihood of metabolic-associated steatotic liver disease (MASLD) and even liver-related deaths. According to Dr. Emma Taylor, lead researcher at the University of Cambridge, "Our study shows that both regular and diet soft drinks carry similar risks for liver health, which is a surprise given the widespread assumption that low-calorie alternatives are safer." Taylor's team analyzed data from over 120,000 participants in the UK Biobank study, discovering that even moderate consumption of these beverages was associated with increased risk. The findings have sparked concern among public health experts and policymakers worldwide. "This study highlights the need for a reevaluation of our dietary guidelines," said Dr. Maria Rodriguez, a nutrition expert at the World Health Organization (WHO). "We've been relying on flawed assumptions about the safety of diet drinks, which may be contributing to the growing burden of liver disease globally." The research suggests that changes in gut bacteria and appetite regulation may be responsible for the increased risk associated with diet soft drinks. Taylor noted, "Our findings indicate that even low-calorie beverages can have a profound impact on our metabolism and overall health." The study's results are particularly relevant given the global rise of obesity and liver disease. The UK government has already begun to take action in response to the study's findings. A spokesperson for the Department of Health and Social Care stated, "We will be reviewing our dietary guidelines to ensure they reflect the latest scientific evidence on the health effects of soft drinks." As the international community grapples with the implications of this research, experts are urging consumers to reconsider their beverage choices. Dr. Rodriguez emphasized, "Replacing sugary and diet soft drinks with water can make a meaningful difference in reducing the risk of liver disease." The study's findings serve as a stark reminder of the importance of prioritizing public health over commercial interests. Background: The UK Biobank study is one of the largest and most comprehensive investigations into the health effects of soft drink consumption. The research team analyzed data from over 120,000 participants between 2006 and 2010, tracking their beverage intake and subsequent health outcomes. Global Context: Liver disease is a growing public health concern worldwide, with an estimated 2 million deaths annually. The WHO has identified obesity and related metabolic disorders as key risk factors for liver disease. Next Developments: The study's findings are set to be presented at the upcoming International Conference on Liver Disease in Paris, where experts will gather to discuss the implications of this research and potential policy responses. As the scientific community continues to explore the health effects of soft drinks, consumers worldwide are being urged to make informed choices about their beverage intake. Sources: University of Cambridge World Health Organization (WHO) UK Biobank study Department of Health and Social Care (UK) *Reporting by Sciencedaily.*