Drinking water is crucial. But it's possible to drink too much water and become overhydrated. Overhydration can lead to falling electrolyte levels, which can cause headaches and muscle weakness. If ...

Within the U.S., tap water sources are heavily regulated by the U.S. Environmental Protection Agency (EPA) under the Safe Drinking Water Act of 1974. Because of this bill, the EPA is able to set ...

Water powers nearly every bodily function, yet many people consistently fall short of proper hydration levels. While thirst might seem like an obvious indicator, the body often sends subtler signals ...

Public health recommendations generally suggest drinking eight cups of water a day. And many people just assume it’s healthy to drink plenty of water. Now researchers at UC San Francisco have taken a ...

Donald Trump's second term is already threatening what's lauded as one of the top public-health triumphs of the 20th century: adding fluoride, a mineral that helps prevent tooth decay, to drinking ...