Fungi possess cell walls made of the glucosamine polymer chitin, and algae typically possess walls made of glycoproteins and polysaccharides. Unusually, diatoms have a cell wall composed of biogenic silica.
While stress does not appear to cause thyroid problems, a person with an overactive thyroid would typically be anxious and could definitely feel more stressed than usual. Also, if you take thyroid hormone pills for an underactive thyroid gland, your dose may be too high.
Your thyroid is one of your body's most important glands. When your thyroid doesn't work properly, it can cause you to feel nervous or tired; make your muscles weak; cause weight gain or loss; impair your memory; and affect your menstrual flow. A thyroid disorder can also cause miscarriage and infertility.