Topics

Metabolic Health

EXPLAINER

What is insulin resistance, and what are the signs?

Insulin resistance usually causes no symptoms you can feel, which is why it is found through blood tests rather than how you seem. The visible clues are subtle — and it rarely travels alone.

Q&A

Does stress raise blood sugar? What the evidence shows

Yes — the hormones released under stress push glucose up, which is why steroids and severe illness cause hyperglycaemia. Whether everyday stress raises long-term diabetes risk is a smaller, murkier effect.

WHAT THE STUDY ACTUALLY SAYS

Does the paleo diet work? The trials say yes, then not so much

Randomised trials show a Palaeolithic diet trims weight and risk markers in the short term. A two-year trial found the early edge over an ordinary healthy diet had mostly faded — and that people struggled to stick to it.