nostr:npub1psdfxfpxz2cwmmnsk60y3nqpn2tqh9n24h4hstvfkwvr6eaek9js499sr7 nostr:npub17aqgyjm4p8z9r42mpwkt45qln7sh4hr65z2gzwahgjtchr7vmsms8g3dh0 Living and active Grandmothers have a protective effect for grandchildren's survival and thriving in both whales and humans. So it's possible that evolution does select for a healthier old age, just not for men.