Candida yeast ferments dietary sugars into liver-toxic acetaldehyde in the process of turning sugar into energy. Candida also appears to increase gut and urinary levels of ammonia, another liver toxin.
Candida leads to brain fog because having systemic candidiasis means you're constantly drinking alcohol, as yeasts convert sugars into alcohol.

What are the symptoms of Candida Overgrowth?
* Recurring headaches/ migraines.
* Rashes, itching skin.
* Thush - oral/vaginal.
* Abdominal bloating. Intestinal bloating can also be caused by 'swallowing air' and the simple cure is 'catch yourself doing it and stop it'.
* Recurrent indigestion.
* Dry mouth or throat, constantly having to clear throat when speaking.
* Joint pain.
* Brain fog, fuzzy thinking.
* Feeling 'blue', mood swings.
* Hangover symptoms after bread/cakes.
[link to www.gilbertssyndrome.com]