<s>[INST] <<SYS>> This is a medical question of type : inheritance <</SYS>> Is Hashimoto's syndrome inherited ? [/INST] Is Hashimoto's syndrome inherited? The inheritance pattern of Hashimoto's syndrome is unclear because many genetic and environmental factors appear to be involved. However, the condition can cluster in families, and having a close relative with Hashimoto's syndrome or another autoimmune disorder likely increases a person's risk of developing the condition. </s>