Why do rich people look younger in old age?

My rich aunts and uncles look 40 years younger then their current age

My parents look their age

My poor aunt and uncle look older than their age

My other rich aunt and uncle also look 30 years younger then their age

I think it’s because they eat healthier food. Poor people eat ramen noodles and French fries.

Why do rich people look younger in old age?
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