The Dangerous Allure of the Quantified Self

Numbers can inform and motivate us. They can also sabotage our bodies and brains.

Anna Maltby
Elemental
Published in
3 min readNov 27, 2020

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Photo: Javier Sánchez Mingorance/EyeEm/Getty Images

You can put a number on just about anything health-related these days: not just blood pressure and heart rate but also steps and movement, hours of sleep, time spent in front of a screen, and, yes, calories and weight. (Let’s just state upfront that…

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Anna Maltby
Elemental

Editor and writer. Past: Elemental, Real Simple, Refinery29, SELF. Certified personal trainer; prenatal and postnatal exercise specialist. Cat & person mom.