Sodium nitrite is a yellowish-white, odorless powder. It helps preserve foods has other uses. But if you consume too much of it, it can be deadly.

Discover the expert-backed fueling strategy that helps marathoners finish faster. Learn the carb, hydration, and sodium secrets to avoid bonking.

Low-sodium salt, as well as iodized, kosher, and pink Himalayan salt, might help manage blood pressure.

Certain foods and lifestyle habits can cause your face to get bloated or puffy. Reducing salt and alcohol, getting more sleep, and staying hydrated can help.