In the past few years, I've become more attuned to sodium content in foods. My dad now lives near me and he has a history of high blood pressure. He has started pointing out the sodium content in packaged foods and I've tried to be thoughtful in what I cook when he comes over for dinner. I'd already starting reading labels, but this nutritional information took on a personal relevance when I learned this week that my blood pressure is too high. That health situation is scary since there is resea...