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.
Thyroid Conditions and Weight Loss. It should be noted that one of the few causes of anxiety that is purely physical is the development of hyperthyroid. With too much thyroid hormone, your body has too strong a metabolism, and this can cause rapid weight loss. Hyperthyroidism is also a cause of anxiety. That's why, even though anxiety is often the cause of unexplained weight loss in people living with anxiety, it's still a good idea to check with a doctor.