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