Do yeasts and fungi cause ADHD?

Douglas E. Severance, MD
Family Medicine
Yeast normally lives within the human body, where it is maintained by healthy immune systems and friendly bacteria. However, when immunity is weakened, or antibiotics kill the friendly bacteria, certain types of yeast, specifically Candida, can become overgrown. Some people believe that this Candida overgrowth may weaken our immune system and make our bodies susceptible to attention deficit hyperactivity disorder (ADHD) and related mental disorders. The combination of antifungal agents and sugar restrictions may treat and eliminate Candida overgrowth, but there is no proof that Candida overgrowth is related to ADHD.

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