What is
Milk is an opaque white fluid which is enriched with fat and proteins produced by mammals for the nourishment of the young ones!
Kefir is fermented milk made by using kefir grains containing benefiicial yeast as well as probiotic bacteria found in the yogurt.
Origin
East European countries- Bulgaria, Czech Republic, Ukraine, Southwest Asian countries- Armenia, Azerbaijan, Georgia, Turkey
North Caucasus regions