Such a physician might be able to guide the parents of colicky babies through a difficult time that is (mercifully) usually transient, and could also help patients requiring hormone replacement therapy (whether for low thyroid hormone levels or low testosterone levels) decide what replacement dose makes sense, and reach a conclusion that would be informed by numeric criteria but not exclusively defined by it.

FORBES: Are doctors over-responsive to patients -- or not attentive enough? (Answer: yes.)