Eugenia Zukerman is brilliant. A world-renowned flutist. A novelist and essayist. A television journalist, as the classical music correspondent with "CBS Sunday Morning" for many years. Yet she failed the simplest of tests:
Name every animal she can think of that starts with the letter "h."
"It made me realize that I wasn't on top of my form," she says.
"It is not an easy test, I came away from it feeling that, yes, I do have a problem."
The problem? Alzheimer's disease.