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Read or Die!

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The Most Dangerous Word in Medical Science

3 min readSep 17, 2025

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Think about the last time you asked yourself a simple health question. Something like… ‘What’s the best type of exercise for me?’

You probably did what we have all been doing since “googling” officially became a gerund. You open a browser. You type in your question. And you get a million answers.

One headline says, ‘HIIT is the only workout you’ll ever need.’ The next says, ‘Slow, steady-state cardio is king for longevity.’ A TikTok weirdo swears by heavy lifting. And members of the Pilates cult evangelize body contortions that you never thought possible outside of a cartoon.

By now, you’re left more confused than when you started.

The problem isn’t a lack of information. It’s that almost all the health advice you read is based on the single most deceptive and dangerous word in medical science: “average.”

Every study, every headline, every breakthrough is based on the “average result.” One study finds that, ‘on average,’ participants reduced their body weight and fat by 4 kg in response to a 12-week strictly controlled exercise intervention. But behind this simple average hides a frustrating reality: some participants lost a lot more weight and fat, many a substantially smaller amount, and a few poor souls actually came out heavier [1].

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Read or Die!
Read or Die!

Published in Read or Die!

A home for people who want to give back to the community: write and read.

Dr. Lutz Kraushaar
Dr. Lutz Kraushaar

Written by Dr. Lutz Kraushaar

PhD in Health Sciences, MSc. Exrx & Nutrition, International Author, Researcher in decelerating biological aging. Keynote Speaker and Consultant.

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