The 2010 Dietary Guidelines for Americans recommend limiting sodium to less than 2,300 mg a day — or 1,500 mg if you’re age 51 or older, or if you are black, or if you have high blood pressure, diabetes or chronic kidney disease. Keep in mind that these are upper limits, and less is usually best, especially if you’re sensitive to the effects of sodium. If you aren’t sure how much sodium your diet should include, talk to your doctor. - Mayoclinic
Sodium can cause bloating and water retention as well as more serious health problems.
A lot of the foods we eat have naturally-occurring sodium in them, such as many vegetables and dairy products. Packaged/processed foods, as well as restaurant meals are usually extremely high in sodium. Some good ways to avoid this is to eat more natural foods, cut salt from recipes whenever possible, don’t add salt to meals, cook with spices and herbs more often rather than salt, and choose low-sodium products whenever you can.
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