7 Science-Backed Benefits of Drinking Water - and How Much Water You Should Drink Each Day

By: Erin Heger and Samantha Cassetty writing for INSIDER

  • The benefits of drinking water include improving the appearance of the skin, preventing joint pain, and even helping with weight loss. 
  • Drinking water can also improve cognitive functioning by preventing fatigue, short-term memory loss, and trouble focusing. 
  • Men should drink about 3.7 liters of water a day and women about 2.7 liters of water a day — though exactly how much water you should drink depends on a variety of factors, like how much you exercise. 

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