<prompt> All of the following are true about Graves disease, except:-More common in malesAutoimmune in etiologyMay result in hypehyroidismNon-thyroid manifestations can also be seen  <response>: Graves disease is an autoimmune disorder which is 10 times most common in females presenting in 20-40yrs of age. It causes hypehyroidism dt overstimulation of TSH receptors by TSIg. Its risk is increased in monozygotic twins. It is associated with ceain genes like HLA-DR3 , HLA-B8. Also associated with other autoimmune disorders like SLE, Type-1 DM, Pernicious anemia, Addisons disease etc. Non-thyroid manifestations like eye skin involvement can be seen. 