My 9-year-old came home from a day of skiing and said his eyes hurt. They looked a little red. He had been wearing goggles all day, but I felt a pang of worry: Could it be snow blindness? (He was fine.)
I've had similar experiences with my own health. I might have jaw pain, dizziness or a stomach flu that makes me vomit. Before long, I'm wondering about heart attacks, tumors, even Ebola.
Usually, I manage to rationalize away my fears, especially when symptoms go away - until a new problem arises. Then, even when I try not to look, I end up online, searching for signs of my own imminent demise.
I'm not the only one with a tendency to jump from physical ailment to...