The latest research on Alzheimer’s hasn’t pulled back many veils about the disease but it has uncovered a few puzzling facts. For example, some people who have the neuron-killing tangles associated with the illness, never display symptoms.  Others aren’t so lucky.  To explain

I’ve had a new doctor for the past year, a young woman in her thirties.  My first medical exam with her turned up no interesting ailments or complaints, so this year she decided to expand her search by giving me one of those crude, mental fitness tests.  Apparently, I passed becau