There are apps to track how many calories you've burned, measure your blood pressure and plan meals…Sodium 101 This Canadian site has an app for the iPhone and iPad that tells you how much sodium is in foods and tracks your consumption. CBC medical columnist Dr. Peter Lin says it's valuable for people with high blood pressure. Besides apps, there are a variety of websites offering medical information for consumers. Commonly recommended sites include:… Mayoclinic is a reliable source, Lin says.
CBC News, 1/4/2012