Snacking on yoghurt twice a day could relieve anxiety and
stress by reducing activity in the part of the brain linked to emotion and
pain, according to new research.
Researchers have suggested that bacteria found in the gut
send signals to the brain that can change over time depending on the person’s
diet.
Previous studies showed that beneficial gut bacteria
affected the brains of rats but no research has confirmed that the same effect
happened in human brains.
Scientists had already found that the brain sends signals to
the gut, which is why stress and other emotions can contribute to
gastrointestinal symptoms. The new study of 36 women show that the signals also
travel the opposite way.
The participants, all of healthy weight and aged between 18
and 53, were split into three groups, with one eating a yoghurt with live
bacterial cultures twice a day for a month, another group eating a dairy
product with no living bacteria, while the third group was given no dairy
products at all.
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