A German cohort study found that people who drank more soft drinks had higher odds of depression and more severe symptoms, which included diet drinks. Researchers also noted that people with higher soft drink intake had increased levels of the gut bacterium Eggerthella, which explained only a small part of this link. However, the study is cross sectional and cannot determine causation, and all dietary data were self reported, which introduces recall bias. PMID: 40991280 Follow @doctorsoood to im