The link between social interaction and your immune system

An aspect of health that many optimizers overlook

We hear it all the time. Practically every TED talk—including mine!—reminds you that social interaction is one of the keys to improved mental and physical health. But even I was unaware of how big an impact it can have.

My guest on the podcast today, Kasley Killam, is a leading expert in social health. She told me about a study where researchers followed…