Experts from Leiden University (Holland) noted: regular consumption of live yogurt with probiotics reduces the risk of depression and improves the overall emotional background.
In total the study involved 40 people. The researchers divided the volunteers into two groups: the first group within one month of taking the placebo, the second is a specially prepared product with probiotics (bifidobacteria and lactobacilli). The taste of the medicines were impossible to distinguish.
At the end of the study, the researchers found that the participants who consumed all 4 weeks the preparations of probiotics, felt better, less experienced Intrusive thoughts, woke up easier. One theory is that bacteria have an effect on the most delicate processes, including cognitive mechanisms and emotional sphere.