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longevity

SCIENCE: Scientists Find Young Cells in Old Brains

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neurons - pixabay

Your brain keeps making new nerve cells, even as you get older. That’s a big deal. For decades, researchers believed that aging brains stop making new cells. But recent research has offered strong evidence to the contrary, and a new paper published today (April 5) in the journal Cell Stem Cell tries to put the notion to bed entirely. Aging brains, the researchers showed, produce just as many new cells as younger brains do. “When I went to medical school, they used to teach us that the brain stops making new cells,” said lead study author Dr. Maura Boldrini, a … Read more

Advanced Medical Magic

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Today’s topic comes from QSFer Hank T. Cannon: “How do you handle the social effects of “advanced medical magic” in a fantasy or science-fantasy setting? Are there economic gates preventing access to everyone? Has the legal system evolved to deal with verifiable reincarnations and resurrections? Do intrabloodline intrigues expressly involve ways to make sure old rich granddad stays dead do they can finally inherit (Or is inheritance outdated)? Are afterlives actually counted as part of the population and their inhabitants just another demographic of the planet/nation entity?” Lots to unpack here – but let’s start with the intersection of medicine … Read more