My brother developed a mental illness when he was in his 30s. I worry that I might do the same, because of the inherited component of the illness. My mother comforts me, reminding me that my brother ran away from home, lived on the streets for a while, and generally has had a hard life, which may be why he developed the illness. I may have similar genetics, but have had a much easier life. My mother is suggesting

Question

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The diathesis-stress model suggests that while genetic predispositions (diathesis) may exist, environmental stressors play a crucial role in the development of mental illnesses. Your mother is highlighting the impact of life experiences on your brother's mental health.

My Brother Developed a Mental Illness When He Was in His