How much is too much salt?
According to government health guidelines, if you're age 51+ or you are African American, have kidney issues or you're diabetic, you should have no more than a half teaspoon -- or 1500 mg -- of salt each day.
That applies to about half our population. If you're in the other half your limit is supposed to be 2300 mg of salt per day, or about one teaspoon.
Too much salt and too little exercise is hard on the heart, but the new research suggests it can be hard on the brain, too. A three-year study of more than 1,200 people has linked a salty diet and sedentary lifestyle to cognitive decline in old age.
Read Study: Too Much Salt Can Bring on Dementia
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