https://www.science.org/content/article/after-menopause-ovaries-may-transform-organs-immune-powers
Your ovaries are amazing.
Some research about what your ovaries might be doing throughout your life.
The finding could help explain why women tend to be less healthy than men as they age, even though they live longer, Duncan speculates. The postreproductive ovary could secrete molecules that predispose people to chronic inflammation in their menopausal years. The gap in knowledge of the ovary’s biology after menopause is “a little bit frightening,” she adds. “We really owe it to women’s health to study this period of time.”
My reason for sharing it here: the article says "but it’s not feasible to obtain ovaries from healthy young people."
They don't have to list reasons why it's so wrong to take ovaries from perfectly healthy young women.