Another diversity essay question

[oncoboy]

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As I was prewriting my secondaries, I came across a standard diversity prompt, asking how I would increase the school's diversity. However, the question also asked to discuss material not present in the rest of my application. While I certainly think I have some diversity (my parents rejected western medicine), I already talked about this in my personal statement. Since the prompt asks to discuss material not present in my primary, how should I approach this? Is it okay to talk about my childhood by exploring a different angle of it?
Any advice would be appreciated! Thank you!