In 1908, Metchnikov wrote in the book “The extension of life” that this key to longevity based in the Russian Caucasus Mountains was Kefir. Kefir is definitely cultured milk that…
In 1908, Metchnikov wrote in the book “The extension of life” that this key to longevity based in the Russian Caucasus Mountains was Kefir. Kefir is definitely cultured milk that…