Evidence-based nutrition

We read the studies. You get the answers.

The research depth of PubMed. The reading experience of a magazine. The simplicity of pressing play.

The Definitive Guide

Three meta-analyses asked different cardio questions. Same answer.

Every source gave you a different number. Three independent research teams — studying different questions, in different populations, with different methods — all landed on the same principle. This guide maps what they found and where they agree.

You need 10,000 steps per day for health
Weights don't count as cardio — you need the treadmill
You need 150 minutes of cardio per week minimum
Zone 2 is the best cardio — anything harder is suboptimal
7 studies 6 meta-analyses Triple-verified Explore cluster →
Your Heart Can’t Tell If You Ran or Lifted After 60
The Intensity Paradox: 23 Studies, 1,332 People, One Surprise
What 57 Studies Found About Your Step Count (Not 10,000)
The Afterburn Effect Is Real — and It Doesn’t Matter
The Interference Effect, <em>Tested</em> in 43 Studies
Cardio vs. Weights: The 1 kg Gap Nobody Mentions
The Constrained Energy Model: More Exercise Won’t Burn More
All shorts →
Training

Your muscles had their own route to cardiovascular fitness — one that never required a single minute on a treadmill.

Your Weight Training Already Builds Cardiovascular Fitness
2 min read 408 words
Training

You could go harder. The treadmill would let you. Your legs would accept it. But you hold the pace, keep your heart rate below the line, and trust that the easy effort is doing more for your cells than pushing past it ever could. The deliberate restraint — holding back when your body would happily run faster — feels like a specific kind of discipline.

Your Zone 2 Pace Might Be Too Easy for Your Mitochondria
3 min read 755 words
Training

Ten minutes. Four to six hours. A full day. Ask how long to wait between cardio and lifting and the number changes with every source, each one delivered as settled science.

Every Answer on the Cardio-Lifting Gap Is Different. The Data Explains Why.
2 min read 344 words
BUILT TO PROVE OURSELVES WRONG
5 verification gates. 3 pipelines. 28+ kill switches.
Nothing publishes without surviving our Skeptic Protocol — the system we built to catch our own mistakes.
Explore full Cardio-conditioning cluster

FitChef is a digital publisher and evidence synthesis platform. We aggregate and structure publicly available research for informational purposes. FitChef does not perform original clinical research, provide medical advice, or offer treatment recommendations. Certainty tiers reflect the volume and agreement of the underlying evidence, not an editorial endorsement of study quality. Consult a qualified healthcare professional before making changes to your diet or exercise regimen.

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