Best known as the creator of "Healthy Exchanges" cookbooks, JoAnna Lund not only turned her own life around with her sensible approach to healthy eating but also helped hundreds of thousands of people do the same. For more than a decade, she's been sharing her common-folk wisdom through her many cookbooks and in the media. But JoAnna has survived more than diet wars. When she was diagnosed with an aggressive form of breast cancer, the lessons that she had been sharing with friends and readers over the years were certainly tested, and none more so than "when life hands you lemons...".