Eating more salt can improve sleep, energy levels and metabolism. Not eating enough of the savory stuff may lead to weight gain, type-2 diabetes and heart disease.According to the CDC, about half of U.S. adults monitor their sodium intake, but do we really need to eat low-salt diets? In The Salt Fix: Why the Experts Got It All Wrong -- and How Eating More Might Save Your Life, cardiovascular research scientist Dr. James DiNicolantonio claims salt may be the solution to, instead of the cause of, chronic illness in America. Eating more salt can improve sleep, energy levels and metabolism. Not eating enough of the savory stuff may lead to weight gain, type-2 diabetes and heart disease. Dr. DiNicolantonio joins Dr. Roizen to bust common salt myths and to share which other ingredient may be the real threat to your health. Bonus! False Memories: More Common than You Think