Candida fungus is found in small amounts in everyone's body. Otherwise, together with all other microorganisms, they make up 10% of our body weight, a symbiosis, a beneficial coexistence. Fungal infections occur when this system suffers some kind of damage. And consequently fungi can colonise that cause damage to the body or the fungus Candida albicans, for example, which is part of the normal flora there, can proliferate. One reason for this may be poor digestion.

Short interview with Dr Erika Balaicza (doctor, internist, naturopath)
Source: Fix TV - Sinus programme 2015.06.08.