<p>Kombucha is a fermented drink (made using tea, sugar, a simple bacteria and yeast) that is known for its health-giving properties. It is experiencing a resurgence in popularity, along with the trends for home-fermenting, preserving and enjoying 'living' foods.<br>Louise Avery began brewing kombucha in 2010 as part of a self-sufficient and healthy lifestyle, living on a Scottish Island in the Hebrides, simply because she loved its unique and mo...