From an evolutionary perspective, the point of life is to procreate and pass on genes. That’s why most animals keep reproducing until their deathbeds.

Yet in humans, females tend to live for decades after they’re no longer fertile. All around the world, women experience menopause at around age 50 and routinely continue living into their 70s or 80s.

Few other primates ever live long enough to make it through menopause. The rare individuals that do are usually zoo captives, who survive j