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Why Do We Live Past Menopause?
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Key Facts In This Video
A 2012 study suggested that post-menopausal killer whales play a crucial role in helping their pods find food. 00:44
Menopause in humans may be adaptive, as postmenopausal women could have aided their relatives and thereby increased the transmission of their own genes. 02:21
Killer whale males will stay with their mothers for their entire lives. 04:29