Progresso probably thinks you want it that way, since according to the FDA and WHO you should eat a max of around 2 grams of salt per day, and according to the American Heart Association, you should eat a max of 1.5 grabs per day.Your instinctive skepticism is clearly correct, though. In fact, according to a study of more than 100,000 people, you are more likely to die from all causes if you eat the recommended amount of salt than if you were to eat in excess of 7 grams per day.http://www.nytimes.com/2014/08/26/upshot/dash-of-salt-does-no-harm-extremes-are-the-enemy.htmlYour skepticism about a link between sodium and heart disease appears correct, as well. A study of over 2,600 people with an average age of 74 showed no significant increase in cardiovascular disease, heart failure, or death for elderly folks eating 2,300mg of salt daily vs. 1,500mg of salt. http://well.blogs.nytimes.com/2015/01/26/salt-may-not-affect-heart-risks/But, yeah, as Cojak said, if you ate 660 grams that's pretty well-salted and you might want to ease up a bit.