The race to find the elixir of youth, and what's considered "old" in the workforce?

Over Summer, we've been revisiting some of your favourite stories from 2025. Today, we'll be discussing the hint to find the elixir of youth - and the huge cash prize up for grabs. Plus, what do we consider "old" in the workforce? The answer might surprise you. We also look into how photography can help us age well, as Dr Karl shares his money secrets.