A new study shows kefir affects the microbiota-gut-brain axis. Researchers at APC Microbiome Ireland SFI Research Centre at University College Cork and Teagasc published their results in the journal Microbiome. They found that feeding mice kefir reduced stress-induced hormone signaling, reward-seeking and repetitive behavior. Interestingly, different types of kefir affected mice behavior and changed the abundance of gut bacteria. The researchers concluded that kefir should be studied as a dairy intervention to improve the mood and behavior in humans.
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