20 Health Facts That We’ve Been Told Our Whole Lives That Aren’t True

5. Eight Glasses of Water a Day Is Mandatory

Eight glasses of water a day is a cardinal health rule that many live by, but research has shown that in healthy people, this eight-glass rule has no connection to their overall wellness. Although it’s important to get enough water each day, the amount of ounces required differs from person to person. This is why doctors recommend you simply drink when your thirsty instead of keeping track of how many glasses you chug.