While the plant-based revolution might have reduced the amount of lactose in our diets, certain dairy-based foods are making a comeback in the name of good health, and kefir is one of them.

New research from Brazil has identified promising cognitive improvements linked to regular consumption of kefir, a tangy probiotic-rich beverage with origins in Eastern Europe. Alzheimer’s ...

Here are 8 fermented foods and drinks that have been shown to improve health and digestion. Kefir is a type of cultured dairy product. It’s nutritious, high in probiotics, and easy to digest.