If you could, would you pay to live forever? Some Silicon Valley billionaires aren’t just making tech products – they’ve set their sights on immortality.

Social media is flooded with influencers promoting peptides, “functional” mushroom powders and other (often non-evidence-based) hacks said to maximise your lifespan. Some even claim to reverse your “biological age”.

The quest to live longer, look younger or just live one’s “best life” has become a booming industry, encompassing treatments as diverse as ice baths, saunas, cryotherapy chambers and even red light therapy.

But behind much of the marketing and social media posts are commercial interests willing to cater to a population fearful of ageing and dying.

The key reason humans aren’t immortal hinges on evolution. This process favours genetic traits promoting successful reproduction and........

© The Conversation