Explainers

One question at a time

Every explainer answers a single question, in plain language, with a label showing how sure the science actually is. Filter by topic or by evidence strength, or just browse.

Evidence:

Topic:

Shown in animal models Draft

Can removing 'aged' cartilage cells slow cartilage breakdown?

A promising lab finding — not yet a human treatment.

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Established in humans Draft

Does carrying extra weight affect knee osteoarthritis risk beyond the extra load on the joint?

Yes — and the reason isn't just mechanical.

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Not yet known Draft

Does improving blood sugar control, on its own, reduce osteoarthritis symptoms?

A genuinely open question researchers haven't settled yet.

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