Dr. Jill Crista discusses the mechanism of how mold mycotoxins can cause low thyroid function and low gonadal hormones (testosterone for men, estrogen for women, progesterone for women, etc.), and why mold is something all chronically fatigue and brain foggy people should have assessed in their homes and with lab testing. .Mold sickness is more about the toxins than the spores. All mold toxins (called mycotoxins) cause mitochondrial damage. Mycotoxins are potent protein synthesis inhibitors - what this means is that they stop you from making necessary metabolic components for building muscle, stamina, and balanced hormones. Mycotoxins also rewire your immune system making you more susceptible to infections, or impair your ability to recover once sick.Hormonally, some mycotoxins are detrimental to testosterone production and the direct health of the testes, with some actually being estrogenic.. More about Dr. Jill: Dr. Jill Crista is a naturopathic doctor, best-selling author, and nationally recognized health educator on mold-related health issues.Her passion is to improve health by raising men's awareness of the hazards of exposure to toxic mold.If you're wanting to gain actionable steps to conquer hormone and health challenges related to toxic mold, check out her book, Break The Mold: 5 Tools to Conquer Mold and Take Back Your Health.