Talking to your parents about their finances isn't as difficult as it might seem. That's because there are several ways to start the conversation. Here are 10 tried and true approaches.

For baby boomers who manage their own nest eggs, a risk is looming that has nothing to do with stock prices or interest rates. The risk is cognitive decline, which can rob them of their judgment, often without much warning. One big mistake—or a series of smaller ones—can go unnoticed by loved ones, and potentially ravage a lifetime of hard-earned savings.