Thyroid disease doubles with age. For a simple commodity, it decreases with age, in contrast, a multi-node commodity increases. Pathological euthyroid syndrome is exacerbated by recurring non-thyroid diseases. Hypothyroidism increases, and males to females are affected. The most common cause is autoimmune thyroiditis, and also because of surgery. Radioactive iodine treatment. Adults are more prone to coma and myxedema. We give thyroid hormone with caution for fear of ischemic heart disease. Hyperthyroidism with age: Non-descriptive manifestations such as depression, anxiety, agitation, muscular weakness, heart failure and cardiac arrhythmias such as atrial fibrillation, weight loss, osteoporosis and fractures - the most common cause of hyperactivity, toxicity multinodes and Graves' disease The treatment of choice is radioactive iodine, avoid surgery At younger ages, but the warning is worse.. stay safe