Hyponatremia is diagnosed when there is too little sodium in the blood. Various factors can cause it. Sodium is an essential electrolyte that helps maintain water balance in and around your cells.

Hypertonic saline refers to any saline solution with a concentration of sodium chloride (NaCl) higher than physiologic (0.9%). Commonly used preparations include 2%, 3%, 5%, 7%, and 23% NaCl.

If you're limiting your added sugar intake, diet sodas like Coke Zero and Diet Coke may appeal to you. This article explores how these drinks compare in terms of nutrition, flavor, and health effects.

In a new documentary, the actress talks about the prejudice and loneliness she faced after becoming the rare Hollywood star who is deaf. By Alissa Wilkinson Beyond the somewhat silly premise of ...

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