Johnny fell down and his ankle is tender, but the film is normal. Now what? This classic teaching goes back to 1895, the advent of x-rays. So we went back farther... time travel is revealing.

Johnny fell down and his ankle is tender, but the film is normal. Now what? This classic teaching goes back to 1895, the advent of x-rays. So we went back farther... time travel is revealing.

Pseudoaxioms, like pseudoscience, are long lived. They never die, and sometimes fade too slowly. No epinephrine in a digital block? Join us as we trace the history of the digital axiom.

Subarachnoid hemorrhage is the bogeyman of headache—but it is real. This month we asked what may be medicine's most fundamental question: how can we ferret out the bogeyman without creating so much collateral damage that we've done more harm than good? We have an answer that is simple, surprising, and scientific. This one is a game-changer.