Physicians may order unnecessary tests like head CTs for headaches due to fear of lawsuits, even when caffeine withdrawal is a probable cause.

“and then the second subset of at which by the way I think is the worst one is that the I'm not going to be the guy that gets sued because I didn't order the head CT on the person with a headache even though I know that this person stopped drinking coffee two days ago and they went from three cups of coffee a day to nothing and they're coming in here with the worst headache of their life and I'm pretty 99.999% sure its caffeine withdrawal but I'm not gonna let this person walk out of this ER without a head CT because if god forbid it's a tumor or an aneurysm I'm gonna get sued”