Medicine, like lawyering, is a “practice”.
No results guaranteed!
Eye of newt actually works, sometimes. Not much, but sometimes!
But doctors have many tools to work with...perhaps an MRI of the heart might have shown the plaque that was growing inside the cardiac artery for Mr. Russert’s heart..That piece of plaque was between the inner and outer walls of that particular artery and may have shown on an MRI...