In a competitive world, is it always best to finish first? A tribute to second place, second thoughts, and second opinions.

You might assume that Olympic gold medallists have more successful lives than their silver-placed competitors. A study shows that on average winners die a year younger than the runners up, and earn less money.

In the invasive jelly-fish wars of the Black Sea of recent years, it seems the second-comers prevailed over the voracious first-timers.

And what about siblings? Does the first-born in a family really have any discernible advantage in life?

Also, the potential perils of cutting-edge wearable medi-tech, the value of second opinions, and the chemical benefits of silver itself.

Presented by Marnie Chesterton, with Godfred Boafo and Andrada Fiscutean Produced by Alex Mansfield, with Dan Welsh, Julia Ravey and Noa Dowling Sound by Gwynfor Jones