<p>In this bonus episode of Dr Nichola’s Second Opinion, What’s My Age Again? resident scientist <strong>Dr Nichola Conlon</strong> takes a deeper dive into the habits behind Jimmy Carr’s headline‑grabbing biological age result — and asks the bigger question: do fasting, saunas and cold plunges really slow ageing, or are they just biohacker hype?</p><p>Dr Nichola unpacks the real science behind “good stress” on the body, explaining how stepping outside our comfort zone can switch on powerful repair pathways linked to longevity. </p><p>From metabolic switching and cellular clean‑up, to heat shock proteins and dopamine boosts, this episode explores what’s actually happening under the skin and what’s worth trying for yourself.</p><p>Plus, Dr Nichola answers your questions on inflammation, and why more exercise isn’t always better when it comes to ageing well.</p><p>Producer – Mick Coyle</p><p>Sound Designer – James Stodd</p><p>Production Manager - Sarah Nicholls</p><p>Executive Producer - Finn Ryan</p><p>Head of Production - Cat Moran</p><p>Chief Creative Officer - Lucie Cave</p>