A new study from Toronto connects beneficial bacteria with decreased anxiety levels in people with chronic fatigue syndrome (CFS).

The double-blind, placebo-controlled study found that a strain of Lactobacillus casei significantly decreased anxiety symptoms in 39 chronic fatigue patients.

The researchers noted that, in addition to this study, past research has shown an association between CFS and intestinal flora imbalances.

Results of the study were published in Gut Pathogens.

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