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What is All are true about Hyperthyroidism EXCEPT: and explain in detail?
Ans. (d) Weight gainRef.: Harrison 19th ed. /152* T3 and T4 have sympatho-mimetic activity and they affect basal metabolic rate. Hence in thyrotoxicosis the increase in BMR will lead to weight loss. The sympatho- mimetic activity leads to anxiety palpitations and tachycardia.