Thyroid disease is a common endocrine disorder, and can cause a wide range of symptoms, from fatigue and weight gain to depression and anxiety. Being educated on Thyroid Disease will help you better understand the cause, symptoms, and treatments available. You may be at a higher risk of developing a thyroid condition if you: Have a family history of thyroid disease. Have a medical condition (these can include pernicious anemia, Type 1 diabetes, primary adrenal ...