Some people add a pinch of salt to their morning water, believing it improves hydration and energy levels. Here's what experts say about the trend.

The disappearance of Nancy Guthrie, 84, the mother of the “Today” show anchor Savannah Guthrie, has gripped the nation, with unverified reports of ransom notes, chilling doorbell camera footage and ...

Let’s start with a quick biology refresher: Mitochondria are the powerhouse of the cell. They convert the food we eat into ...

Magnesium, potassium, or sodium? Learn what each electrolyte does, signs of low levels, and when a supplement may help.

The Potomac sewer spill that turned into a fight with Trump. Here's the news to know on Thursday.

Frequent urination, exceeding eight trips a day or waking multiple times at night, could indicate an underlying issue. Possible causes range from overhydration and bladder irritants to more serious ...

Magnesium chloride is a supplemental form of magnesium. Learn about the uses, benefits, side effects, and risks.

Drinking water first thing in the morning may support alertness and digestion. Learn the benefits, how much to drink, and whether timing really matters.

NPR's science podcast Short Wave talk about how ultrarunning affects the body, the trend of intermittent fasting and how to protect people's mental health when they talk with chatbots.