Matt Morgan: How watching Friends may prevent your next complaint.

The opening bar of the theme tune for the TV programme Friends takes me straight back to my teenage years, nearly three decades ago. Yet, like many medical treatments, old fashioned trends often come back around. My daughter’s favourite t-shirt in 2021 proudly displays the famous logo on the front, as mine did back in 1995. Watching the series for a second time, I was struck by how much has changed in life, and how much has stayed the same. Again, a bit like medicine over the past 30 years. The Canadian author Malcolm Gladwell has a particular fascination with the show, claiming that he could watch an entire episode …