A quote from Shane Parrish on social pressure caught my attention this week: “Stubbornness and flexibility aren't opposites; they're responses to different inputs. Be impenetrable to social pressure and quick to adapt to evidence.” This is great advice for our...

What happens to most people when they go on a diet and successfully lose weight? They gain the weight back – and then some. There is a reason for that. It’s called the Diet Factor. In the cave man days, it was extremely important for people to maintain good body...