New Study Links Daily Soft Drink Consumption to Increased Risk of Depression

According to researchers, the high sugar content in soft drinks can disrupt the natural balance of gut bacteria.

ISLAMABAD: A recent study has revealed that regularly drinking soft drinks may not only harm physical health but could also have a negative impact on mental well-being.

Published on a medical research platform, the study found that daily consumption of sugary soft drinks is associated with significant changes in gut microbiota — the complex community of microorganisms in the digestive tract that plays a vital role in brain function and mood regulation.

According to researchers, the high sugar content in soft drinks can disrupt the natural balance of gut bacteria. This imbalance may trigger inflammation in the body, which has been linked to mood disorders such as depression.

The study analyzed data from 932 participants, including 405 individuals diagnosed with depression and 527 healthy individuals. The findings showed that people who drank soft drinks every day were 8% more likely to develop depression compared to non-consumers.

Women Face Higher Risk

The study also revealed a gender-based disparity. Among women, the risk of developing depression associated with soft drink consumption was nearly double — rising to 16%.

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Researchers noted that this link remained strong even after adjusting for body weight, height, and other potential influencing factors, suggesting an independent connection between soft drink intake and mental health.

Correlation, Not Causation

However, the authors cautioned that the study does not prove a direct cause-and-effect relationship. It’s possible, they said, that people already experiencing symptoms of depression may be more likely to consume sugary beverages.

Still, experts recommend reducing soft drink intake — particularly among women — as a proactive step to support both mental and physical health.

A Call for Healthier Choices

Health professionals suggest replacing sugary drinks with water or other healthier alternatives to help maintain emotional balance and overall well-being. Further research is needed to explore whether lowering soft drink consumption could actively reduce the risk of developing depression.

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