“Because Candida is a natural component of the human body microbiome, yeast overgrowth or infection in the digestive tract, for example, may disrupt the gut-brain axis.  “This disruption in conjunction with an abnormally functioning immune system could collectively disturb those brain processes that are important for memory.” - http://www.independent.co.uk/news/science/is-a-sexually-transmitted-yeast-infection-making-us-mentally-ill-a7012506.html