Eating blueberries daily may help support mood in older adults, according to a small study that tracked participants over three months. Researchers observed greater reductions in depressive symptoms among those consuming blueberries compared with the beginning of the study. They also detected changes in gut microbial enzymes, suggesting a possible connection between gut health and brain function. However, the improvements in mood were not statistically significant compared with a placebo, meaning the benefits remain uncertain. The findings offer an interesting starting point for further research into how foods rich in beneficial plant compounds may influence mental well-being and the gut-brain connection.
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