FTT

My wife first introduced me to those initials. Nancy was a nurse when I first met her. There were many parts of nursing for which she did not care. But she loved diagnosis. To this day there cannot be too many episodes of Grey's Anatomy or ER for her. (Oprah either, but that's another story.) She is constantly telling me her private diagnoses of people—even total strangers—based on their skin color. She can tell you how long you have to live if she gets a long look at your face and the light is good.

But of all the diagnoses I ever heard her discuss, FTT is the one that sticks in my mind. Those initials would go on the chart of an infant who, often for unknown reasons, was unable to gain weight or grow.

Failure to thrive.

Sometimes, they guess, it happens when a parent or care-giver is depressed, and the depression seems to get passed down. Sometimes something seems to be off in an infant's metabolism for reasons no one can understand, so FTT is one of those mysterious phrases ...