(Dallas, 2006)

Fear has been a semi-helpful guide throughout history. It saved some of our ancestors from falling off cliffs on windy days, but it also led to some of them being killed for witchcraft. While the world today seems slightly less mysterious, fear remains an imperfect guide for making sensible decisions.

The US National Institute of Health is the world’s largest funder of health research, yet it’s budget is about 1/25 the size of the US…