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Longevity: What's the evidence?

A scientist takes a highly critical look at the desire to live longer

Lab rat_testing_animal_16-9_1920_c Natalia AdobeStock

Laboratory mice can be made to live longer. Initial studies are underway in humans. / © Natalia, Adobe Stock

17.4.2026

Biohacking, the microbiome, genetic testing or drugs such as metformin – these are unfamiliar but highly topical terms in the Longevity boom, which generally promises to extend life expectancy. So people aren't going to age anymore? What's the evidence? Dr Sebastian Grönke, a researcher at the Max Planck Institute for Biology of Ageing in Cologne, remains critical and objective. A guide to wellness hotels.

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Autor

Bärbel Schwertfeger

is a qualified psychologist and has been working as a freelance journalist for daily newspapers, business magazines and trade journals (including Capital, FAZ, Handelsblatt, Spiegel online, Der Standard, Welt, Wirtschaftswoche and ZEIT) since 1985, focusing on human resources management, management and further education, as well as tourism. From 2007 to 2020, she was editor-in-chief of the trade magazine Wirtschaftspsychologie aktuell. Since 2010, she has been running her online magazine mba-journal.de on the subject of management training, and in 2020 she added the online magazine Wirtschaftspsychologie Heute. She is also the author of eight books.

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