- Your Recovery Score Is a Model. Here's What's Actually Measured. Your wearable does not measure your recovery — it models it from a chain of inferences at your wrist. Independent sleep labs have quantified where that chain loses fidelity, and what blood work measures instead.
- Your Recovery Score Says Green, But You Feel Overtrained: The Biomarkers Behind HRV When your recovery score reads green but your legs and sleep say overtrained, the wearable isn't lying — it's just measuring a lagging, noisy signal. Here's what HRV actually reflects, and the biomarkers that explain the gap.
- What Is Glutathione? The Body's Master Antioxidant, Explained Glutathione is the body's most abundant intracellular antioxidant. Here's what it does, why levels fall with age, and where the marketing runs ahead of the science.
