MetFix 5 posts from the Persistence team
What a Normal Blood Panel Answers, and the Question It Was Never Asked
A standard panel reports a level, not a capacity. It is very good at the question it was built to ask. Here is what that question is, and what a fuel handling question would look like instead.
How to Improve Metabolic Health: Five Levers, Ranked by Payoff and Cost
Food, timing, exercise, sleep, and stress. A coach ranks the five levers of metabolic health by how much each one moves against what it actually costs you.
What Insulin Resistance Actually Is, Without the Scary Graphics
A coach's plain explanation of insulin resistance: not cells refusing to listen, but cells that are already full. Why glucose can read normal for years.
Why You Are Tired All the Time (It Is Usually an Engine Problem)
Most fatigue advice is sleep hygiene. Here is the other explanation nobody gives you: the machinery that makes your energy is trainable, and capacity varies enormously.
Why Nutrition Advice Keeps Changing (and Why Both Sides Have a Study)
Your doctor and your trainer give you opposite nutrition advice and both are quoting research. Here is the structural reason the literature contradicts itself, and how to judge a claim.
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