Most people think 8 glasses of water is enough, but a nutritionist says your age, gender and lifestyle matter. Here's how much you really need daily.

8. Start every day with a glass of water: Before you take that first sip of coffee, drink an eight-ounce glass of water.

How much water you should drink varies. Your age, activity level, health issues, and lifestyle affect what’s right for you.

The idea that you need to drink eight glasses of water every day is a widespread belief that has been passed down for generations. However, recent studies and expert opinions suggest that this one ...

Many experts recommend that you drink eight 8-ounce glasses of water per day. This article explores the science behind this claim.

The widely held belief that humans need to drink eight 8-ounce glasses of water a day — also known as the 8 x 8 rule — is simply not true, a new study says.

How much water do you need each day? The one-size-fits-all notion that we need to drink eight glasses of water a day is a myth.

New research has found that the recommended eight glasses of water a day may be too much. Scientists from the University of Aberdeen discovered the recommended intake of two litres of water a day ...

Despite this lack of evidence, the typical advice is: "According to most authorities, a sedentary person should drink at least eight glasses of water (about eight ounces each) per day.

If you are working outside during a heat wave, the US Centers for Disease Control and Prevention recommends drinking 8 ounces ...